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

What is the title of the four-episode special of 'Doctor Who', made for the Red Nose Day telethon in the UK, broadcast in March 1999?
doctor who

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

Making his debut for Sunderland the season before last, who is the only footballer from Albania ever to play in the Premier League?

sunderland