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

Who played the title role in the 1955 film 'Davy Crockett, King Of The Wild Frontier'?
davy crockett

Bob Clampett created which character in 1938?
bob clampett

Which former Blue Peter presenter died in April 2004, aged 41?
blue peter