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

[Q]: What was the last silent film in which Chaplin's little tramp appeared?
[A]: chaplin


[Q]: Which former Blue Peter presenter died in April 2004, aged 41?
[A]: blue peter


[Q]: Which band, which at the time comprised Jim Kerr, Charlie Burchill, Michael MacNeil, Mel Gaynor and John Giblin, had hit records with Alive & Kicking, Sanctify Yourself, Ghostdancing and All the Things She Said?
[A]:
john giblin