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: When is the last time the seahawks won a superbowl?

A: February 1, 2015
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Q: When was the first battle of panipath fought?

A: 21 April 1526
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Q: Who is the biggest selling female singer of all time?

A:
Madonna
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