instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Richard Addinsell's most famous piece of music was used in the 1941 film 'Dangerous Moonlight', what is its title?
answer:
dangerous moonlight


question:
Which horse won the 2009 Epsom Derby?
answer:
2009 epsom derby


question:
The names Corbett and Brambell are most associated with which well-known UK TV series?
answer:

wilfrid brambell