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

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

A: the chronicles of narnia
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Q: In which Indian city is Eden Gardens, the second largest test cricket ground in the world?

A: eden gardens
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Q: Who is Bolivia named after?

A:
bolivia
****