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

Example Input: Which horse won the 2008 Grand National?
Example Output: 2008 grand national

Example Input: 'Highway 61 Revisited' and 'Blood On The Tracks' were both albums released by which popular singer?
Example Output: highway 61 revisited

Example Input: Which Bristol born, Oxford educated poet was appointed Poet Laureate by George III in 1813 on the refusal by Walter Scott?
Example Output:
bristol