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).

[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']
[A]: when did the celtics win championship?


[Q]: concept: Gospel Of John  answers:  ['John the Evangelist']
[A]: who wrote the book of st. john?


[Q]: concept: Vietnam  answers:  ['Communist state']
[A]:
what kind of government does vietnam have?