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

Example Input: Which Nation does Aston Villa Goalkeeper Brad Guzan represent?
Example Output: brad guzan

Example Input: In which war was the Battle of Bunker Hill?
Example Output: battle of bunker hill

Example Input: Who did Alan Shearer play for before he joined Blackburn Rovers?
Example Output:
alan shearer