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

Responsible for such films as 'Saving Private Ryan' and 'Gladiator', which film Production Company was founded by Steven Spielberg, Jeffrey Katzenberg and David Geffen in 1994?
saving private ryan

The Greeks called her Athena, what was the Roman name for this Goddess?
athena

Which work by Berthold Brecht and Kurt Weil is based on a work by John Gay?

bertolt brecht