Which city were the Olympic games held in 1992?
city refers to city_name; in 1992 refers to games_year = 1992;
SELECT T2.city_name FROM games_city AS T1 INNER JOIN city AS T2 ON T1.city_id = T2.id INNER JOIN games AS T3 ON T1.games_id = T3.id WHERE T3.games_year = 1992