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: Which motor manufacturer produces the Duster model?

SOLUTION: dacia duster

PROBLEM: Which group, prominent in the 1990's, featured Chris Novoselic on bass and Dave Grohl on drums/?

SOLUTION:
dave grohl