Question: Stefanie Graf was born on 14 June 1969, in Mannheim, Baden-Wurttemberg, West Germany, to Heidi Schalk and Peter Graf (18 June 1938 - 30 November 2013), a car and insurance salesman. When she was nine years old her family moved to the neighbouring town of Bruhl. She has a younger brother Michael. Graf was introduced to tennis by her father, an aspiring tennis coach, who taught his three-year-old daughter how to swing a wooden racket in the family's living room.

In late 1999 and early 2000, as part of her Farewell Tour, Graf played a series of exhibition matches against former rivals in New Zealand, Japan, Spain, Germany and South Africa. She played Jelena Dokic in Christchurch, New Zealand, Amanda Coetzer in Durban, South Africa, and her former rival Arantxa Sanchez Vicario in Zaragoza, Spain. It was Graf and Sanchez Vicario's first head-to-head meeting since 1996. In February 2000, Graf played against Kimiko Date at Nagoya Rainbow Hall in Tokyo, winning in three sets. In September 2004, Graf dispatched her former doubles partner Gabriela Sabatini in straight sets, in an exhibition match played in Berlin, Germany. She was also in Berlin to host a charity gala, as well as inaugurating a tennis stadium renamed the "Steffi Graf Stadion". Proceeds from her match against Sabatini went to Graf's foundation, "Children for Tomorrow".  In July 2005, Graf competed in one tie of World Team Tennis (WTT) on the Houston Wranglers team. She was beaten in two out of three matches, with each match being one set. Graf lost her singles match to Elena Likhovtseva 5-4. She teamed with Ansley Cargill in women's doubles against Anna Kournikova and Likhovtseva but lost 5-2. She was successful, however, in the mixed doubles match. Graf completely ruled out a return to professional tennis. In October, Graf defeated Sabatini in an exhibition match in Mannheim, Germany, winning both of their sets. Like the exhibition match the previous year against Sabatini, proceeds went to "Children for Tomorrow".  In 2008 Graf lost an exhibition match against Kimiko Date at Ariake Colosseum in Tokyo. As part of the event, billed as "Dream Match 2008", she defeated Martina Navratilova in a one-set affair 8-7, with Graf winning a tiebreaker 10-5. It was the first time in 14 years Graf had played Navratilova. Graf played a singles exhibition match against Kim Clijsters and a mixed doubles exhibition alongside husband Andre Agassi against Tim Henman and Clijsters as part of a test event and celebration for the newly installed roof over Wimbledon's Centre Court in 2009. She lost a lengthy one-set singles match to Clijsters and also the mixed doubles.  In 2010, Graf participated in the WTT Smash Hits exhibition in Washington, D.C. to support the Elton John AIDS Foundation. She and Agassi, her husband, were on Team Elton John, which competed against Team Billie Jean King. Graf played in the celebrity doubles, women's doubles, and mixed doubles before straining her left calf muscle and being replaced by Anna Kournikova.

Using a quote from the above article, answer the following question: Did she ever play with any other tennin superstars?
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Answer: She teamed with Ansley Cargill in women's doubles against Anna Kournikova and Likhovtseva


Question: James Bond Stockdale (December 23, 1923 - July 5, 2005) was a United States Navy vice admiral and aviator awarded the Medal of Honor in the Vietnam War, during which he was a prisoner of war for over seven years. Commander Stockdale was the senior naval officer held captive in Hanoi, North Vietnam. He had led aerial attacks from the carrier USS Ticonderoga (CVA-14) during the 1964 Gulf of Tonkin Incident. On his next deployment, while Commander of Carrier Air Wing Sixteen aboard the carrier USS Oriskany (CV-34), his A-4 Skyhawk jet was shot down in North Vietnam on September 9, 1965.

On June 5, 1946 he graduated with a Bachelor of Science degree from the Naval Academy with the Class of 1947 due to the reduced schedule still in effect from World War II. Academically he ranked 130th among 821 graduates in his class. His first assignment was assistant gunnery officer aboard the destroyer minesweeper USS Carmick (DD-493) from June to October 1946. He next served aboard the USS Thompson (DD-627) from October 1946 to February 1947, the USS Charles H. Roan (DD-853) from February 1947 to July 1948, and the USS Deming (PCS-1392) from July 1948 to June 1949.  Stockdale was accepted for flight training in June 1949 and reported to Naval Air Station Pensacola in Florida. He was designated a Naval Aviator at Naval Air Station Corpus Christi in Texas, in September 1950. He was next assigned for additional training at Naval Air Station Norfolk in Virginia from October 1950 to January 1951. In January 1954, he was accepted into the United States Naval Test Pilot School at the Naval Air Station Patuxent River base in Southern Maryland and completed his training in July 1954. There he tutored U.S. Marine Corps aviator John Glenn in math and physics. He was a test pilot until January 1957.  In 1959, the U.S. Navy sent Stockdale to Stanford University where he received a Master of Arts degree in international relations and comparative Marxist thought in 1962. Stockdale preferred the life of a fighter pilot over academia, but later credited Stoic philosophy with helping him cope as a prisoner of war.

Using a quote from the above article, answer the following question: what did he test?
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Answer:
There he tutored U.S. Marine Corps aviator John Glenn in math and physics. He was a test pilot until January 1957.