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

What sport features in the films `He Got Game` (1998), `Flubber` (1997) and `Celtic Pride` (1996)?
celtic pride

With eight goals which Barcelona player was the leading scorer in the 2009-10 Champions League?
barcelona

What genre best describes the 1967-72 UK TV series Callan?

callan