You are given a concept, and a list of answers. You should generate a question about the concept that leads to the given answer(s).

[EX Q]: concept: Boston Celtics  answers:  ['1969 NBA Finals', '1986 NBA Finals', '2008 NBA Finals', '1974 NBA Finals', '1984 NBA Finals', '1965 NBA Finals', '1966 NBA Finals', '1976 NBA Finals', '1981 NBA Finals', '1968 NBA Finals']
[EX A]: when did the celtics win championship?

[EX Q]: concept: Jeremy Lin  answers:  ['Houston Rockets', 'New York Knicks']
[EX A]: who did jeremy lin sign with?

[EX Q]: concept: Denver Broncos  answers:  ['Sports Authority Field at Mile High']
[EX A]:
where is the denver broncos stadium located?