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

Which popular Doctor Who villains, it was revealed in 2011, are to be given 'a rest' by scriptwriters?
doctor who

Which Afro American super model, TV personality and singer hosts the TV show, America's Next Top Model and also has her own daytime TV chat show?
america's next top model

The first series of which BBC sitcom series, set in Billericay, Essex and Barry, Vale of Glamorgan, chronicled the developing romance of the two leads and ended with their becoming Mr. and Mrs. Shipman?

bbc