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

Example Input: Which 'Coronation Street' character was played for may years by Jean Alexander?
Example Output: jean alexander

Example Input: Double vision, the perception of two images from a single object, is properly called what?
Example Output: double vision

Example Input: Which Cabinet member is the MP for Chingford and Woodford Green?
Example Output:
chingford and woodford green