Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: Who is the BBC's political editor?

Answer: bbc

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

Answer: the dark tower

Question: What nation has a rugby team called the All Blacks?

Answer:
new zealand national rugby union team