Problem: British engineers Isambard Kingdom Brunel and Robert Stephenson built their most impressive structures and locomotives in which century?
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A: 19th

Q: Who wrote the much covered and 2008 hit song Hallelujah?
A: leonard cohen

Problem: Irish actress Mrs Dorothea Jordan was the mistress of which British monarch?
Answer: william iv

Q: 'Grace and Favour' was the follow-up to which BBCTV sitcom?
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A: are you being served

Q: What was the name given to Jiang Qing (Mao Zedong's ex-wife), Zhang Chunqiao, Yao Wenyuan, and Wang Hongwen, Chinese Communist Party officials who were prominent during the Cultural Revolution and were arrested in 1976, charged with treason?
What is the answer?

A: gang of four

question: Answer this question.

The date October 21st 2015 played a significant part in which 1989 film?
answer:
back to future