Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Q: Which city has sports teams known as the 'Maple Leafs' and the 'Blue Jays'?

A: toronto blue jays
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Q: Who played boxer James Braddock in the 2005 biopic Cinderella Man?

A: james j. braddock
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Q: In the SI system, what is the basic unit for the measurement of electric current?

A:
electric current
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