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: Where do purple martins go for the winter?

A: Amazon River Basin
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Q: Who won the title of miss world 2000?

A: Priyanka Chopra
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Q: What was the outcome of the iranian revolution in 1979?

A:
overthrow of the last monarch of Iran, and replacement with an Islamic republic.
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