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

Example Input: In which English city was Damien Hirst born?
Example Output: damien hirst

Example Input: What nationality was Che Guevara?
Example Output: che guevara

Example Input: What was the nickname of 60's singer Brenda Lee?
Example Output:
brenda lee