Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Example Input: Which model was married to photographer David Bailey for 10 years, from 1975?
Example Output: david bailey

Example Input: Bound for Glory is the 1943 autobiography of which singer-songwriter?
Example Output: bound for glory

Example Input: Joan Fussey, Miss Haggard and Josh Fiddler are all characters in which 'Carry On' film?
Example Output:
carry on