Query: When did Valencia C.F. win the UEFA Cup?
Context: Valencia is also internationally famous for its football club, Valencia C.F., which won the Spanish league in 2002 and 2004 (the year it also won the UEFA Cup), for a total of six times, and was a UEFA Champions League runner-up in 2000 and 2001. The team's stadium is the Mestalla; its city rival Levante UD also plays in the highest division after gaining promotion in 2010, their stadium is Estadi Ciutat de València.