Input question: Gaston Leroux wrote which 1911 novel, later a famous musical?

Output answer: phantom of opera

Input question: On which major river does Bamako, the capital of Mali stand?

Output answer: niger

Input question: Name the British cyclist who won 6 stages of the 2009 Tour de France.

Output answer: mark cavendish

Input question: Which variety of tea is known as 'the champagne of tea'?

Output answer:
darjeeling