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

Example Input: Which US state was the title of a no. 1 hit for the Bee Gees in 1967?
Example Output: bee gees

Example Input: In which 1960's TV series did Clarence the cross-eyed lion appear?
Example Output: clarence, the cross-eyed lion

Example Input: Olympic gold medallists Nedo Nadi, Enrico Fabris, Domenico Fioravanti and Alberto Tomba represented which country?
Example Output:
enrico fabris