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: Which band had a hit with the song 'Brown Girl in the Ring'?

Answer: brown girl in the ring


Question: Which composer was married to Clara Wieck from 1840 until his death in 1856?

Answer: clara schumann


Question: In which country was the Althing, a legislative and judiciary parliament, founded in 930?

Answer:
althing