instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who played the character Gene Hunt in the UK TV series 'Life on Mars' and 'Ashes to Ashes'?
answer:
life on mars


question:
Who wrote the novels About A Boy, How To Be Good and High Fidelity?
answer:
how to be good


question:
Who became British Prime Minister in June 2007?
answer:

prime minister of the united kingdom