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 Best Picture nominated movie tells the story of US soldier, 'Chris' Kyle?

Answer: chris kyle


Question: The towns od Grimsby and Cleethorpes are in which English county?

Answer: grimsby


Question: Which British king, famous for his string of mistresses, had an arranged marriage to Caroline of Brunswick  His first words to her were I am not well, pray get me a glass of Brandy. He did not accede to the throne until he was 57, when he was described as a bloated ruin.?

Answer:
caroline of brunswick