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

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

Ex Output:
davy crockett


Ex Input:
Which of these was the title of Bobby Darin's first million selling single?

Ex Output:
bobby darin


Ex Input:
Which country does musician Alfred Brendel come from?

Ex Output:

alfred brendel