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

Q: The Battle of Poltava in 1709 was a victory by Peter the Great over which state?

A: battle of poltava
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Q: Who bad a number 1 in the 1980's with Circle in the Sand?

A: circle in the sand
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Q: Who released an album in 2005 called Confessions on a Dance Floor?

A:
confessions on a dance floor
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