Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Q: Which John Legend song knocked Pharell Willams completely off the No.1 spot on the US Billboard?

A: all of me
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Q: Which tree belongs to the genus Betula?

A: birch
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Q: Who played Police Chief Martin Brody in the 1978 film 'Jaws 2'?

A:
roy scheider
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