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: Facebook  question:  where are facebook headquarters located?
[A]: ['California']


[Q]: concept: Eric Clapton  question:  what guitar did clapton play?
[A]: ['Fender Stratocaster', 'Gibson SG', 'C. F. Martin & Company']


[Q]: concept: Eli Whitney  question:  what else did eli whitney invent?
[A]:
Interchangeable parts, Cotton gin, Milling