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: How many episodes are in season 4 of agents of shield?

A: 22
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Q: Who has sold the most records in the uk?

A: The Beatles
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Q: Where did the natives of south america come from?

A:
Asia or Polynesia
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