Problem: Which opera does the famous aria 'Nessun Dorma' come from?
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A: turandot

Problem: Which famous Elizabethan was executed for treason by King James in 1618?
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A: sir walter raleigh

Problem: Which 1952 musical about the introduction of talkies, has a title song which was once parodied by Morecambe and Wise?
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A: singin in rain

Problem: "Who wrote, the 2011 novel about Sherlock Holmes called, 'The House of Silk""?"
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A:
anthony horowitz