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

Q: Which English town shares its name with the state capital of Delaware?

A: delaware
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Q: Who has written a series of novels, entitled The Dark Tower, of which the first, in 1982, was entitled, The Gunslinger?

A: the dark tower
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Q: Who had a No 1 in the 70's with Annie's Song?

A:
annie's song
****