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

Example Input: Which country has 6 time zones called Pacific, Mountain, Central, Eastern, Atlantic and Newfoundland?
Example Output: newfoundland and labrador

Example Input: Chris Martin is the lead singer with which band who had several hits in the 2000s?
Example Output: chris martin

Example Input: Which singer has had a 2010 UK number one album with 'Aphrodite'?
Example Output:
album