TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Court Philippe Chatrier, which has stands named after Jacques Toto Brugnon, Jean Borotra, Henri Cochet, and Ren Lacoste, is the main court of an international tennis venue in which city?

SOLUTION: stade roland garros

PROBLEM: After Harold McMillan who was Britain's next Prime Minister?

SOLUTION: britain

PROBLEM: What instrument did Dave Clarke play in the Dave Clarke Five?

SOLUTION:
dave clarke