Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.

[Q]: concept: Troy Illinois  question:  what county is troy il in?
[A]: ['Madison County']


[Q]: concept: Lindsey Buckingham  question:  what kind of guitar does lindsey buckingham play?
[A]: ['Bass guitar']


[Q]: concept: Barack Obama  question:  which college did obama graduated?
[A]:
Columbia University