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

Q: Feb 15, 1564 saw the birth of what famed Italian physicist, mathematician, astronomer, and philosopher, who discovered the first 4 moons of Jupiter?

A: astronomer
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Q: Who plays Dr Evil the nemesis of Austin Powers in the Austin Powers series of films?

A: austin powers
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Q: What country uses the Baht as its currency?

A:
thai baht
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