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

[Q]: In which film of 1995 did Robert De Niro and Al Pacino appear on screen together for the first time?
[A]: al pacino

[Q]: Krist Novoselic and Dave Grohl were two thirds of which band, formed in Aberdeen (Washington State) whose albums include Bleach and In Utero?
[A]: dave grohl

[Q]: The painting A Dance to the Music of Time 1634 - 1635 displayed in the Wallace Collection, London is by which artist?
[A]:
a dance to the music of time