In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

[Q]: Who's the best selling artist of all time?
[A]: The Beatles


[Q]: Who has most centuries in first class cricket?
[A]: Sir John Berry Hobbs


[Q]: Who plays joe's voice in family guy?
[A]:
Patrick Warburton