TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: What is the largest country in Africa?

SOLUTION: africa

PROBLEM: Who stars in the TV series Californication?

SOLUTION: californication

PROBLEM: What 1983 Scottish film, starring Peter Riegert, Denis Lawson, Peter Capaldi and Burt Lancaster, was directed by Bill Forsyth with music by Mark Knopfler?

SOLUTION:
burt lancaster