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

Ex Input:
Who follows 'the eight fold path'?

Ex Output:
noble eightfold path

Ex Input:
Who played the title role in the 1955 film 'Davy Crockett, King Of The Wild Frontier'?

Ex Output:
davy crockett

Ex Input:
Who was the chief harpooner on Captain Ahab's whaleship?

Ex Output:
captain ahab