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

Example Input: Where is David Cameron's Oxfordshire constituency?
Example Output: david cameron

Example Input: Which English classic horse race for 3 year olds held at Doncaster every September began in 1776?
Example Output: doncaster racecourse

Example Input: Which Blur album their first for 12 years reached the top of the charts in May 2015?
Example Output:
blur