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: The percentage of the inheritance of obesity that is accounted for by genetic factors is about?

A: 40–70%
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Q: When did the first season of greys anatomy air?

A: March 27, 2005
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Q: Who was the role of frazier crane written for?

A:
John Lithgow
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