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

Q: With eight goals which Barcelona player was the leading scorer in the 2009-10 Champions League?

A: barcelona
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Q: The towns od Grimsby and Cleethorpes are in which English county?

A: grimsby
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Q: Which European city is served by 'Arlanda Airport'?

A:
stockholm arlanda airport
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