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 was the title of the 7th and final book in the Chronicles of Narnia by C.S. Lewis?

Answer: the chronicles of narnia


Question: What's missing: Magnum Force, The Enforcer, Sudden Impact, and The Dead Pool?

Answer: sudden impact


Question: Who had a number one hit for four weeks in 2003 with 'All The Things She Said'?

Answer:
all the things she said