Background: Hugo Sanchez Marquez (born 11 July 1958) is a retired Mexican professional footballer and manager, who played as a forward. A prolific goalscorer known for his spectacular strikes and volleys, Sanchez is widely regarded as Mexico's greatest-ever footballer, and one of the greatest players of his generation. In 1999, the International Federation of Football History and Statistics voted Sanchez the 26th best footballer of the 20th century, and the best footballer from the CONCACAF region. In 2004 Sanchez was named in the FIFA 100 list of the world's greatest living players.
Context: Sanchez made 58 appearances for Mexico between 1977 and 1994, scoring 29 goals. Prior to representing the senior side, as a teenager he represented Mexico at the 1975 Pan American Games on home soil, where he won a gold medal, and at the 1976 Summer Olympics. He participated in three FIFA World Cup tournaments, making 8 World Cup appearances in total, and scoring once. He helped Mexico win the 1977 CONCACAF Championship to seal qualification for the 1978 FIFA World Cup in Argentina; at the age of 19, he took part in the final tournament, where Mexico lost all three of their group games and suffered a first round elimination.  After Mexico failed to qualify for the 1982 FIFA World Cup in Spain, Sanchez was a part of the Mexico team that reached the quarter-finals of the 1986 World Cup on home soil, losing out to eventual runners-up West Germany in a penalty shootout. He scored his only World Cup goal during his nation's opening match of the tournament on 3 June, the winning goal in a 2-1 victory over Belgium, although he also missed a penalty in Mexico's second group match against Paraguay, and was later booked, causing him to miss the final group match. Four years later, however, Mexico once again missed out on the final tournament as they were suspended from the 1990 FIFA World Cup in Italy.  Despite his advancing age, he later played a key role in helping Mexico to the final of the 1993 Copa America, at the age of 35; he scored once in a 2-0 victory over Ecuador in the semi-finals, although Mexico eventually finished as runners-up to Argentina. Sanchez later also appeared at the 1994 FIFA World Cup in the United States, his final major tournament, where Mexico suffered a round of 16 elimination; he made his only appearance in the tournament on 19 June, in Mexico's opening match of the competition, a 1-0 defeat to Norway.
Question: How did he perform at the 1975 Pan American Games?

Answer:
he won a gold medal,