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

Q: Brenda Mae Tarpley achieved fame under what name?

A: brenda mae tarpley
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Q: Austin is the state capitol of which US State?

A: austin, texas
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Q: In the tv show Charmed, what was the name of the eldest sister (played by Shannen Doherty) who was killed off at the end of Season 3?

A:
charmed
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