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

In which film did Sharon Stone play the character 'Catherine Tramell?
catherine tramell

The 1987 film 'Roxanne' was adapted by actor Steve Martin from which Edmond Rostand play?
roxanne

In the film Batman Forever, released in 1995, who played the villain called Two Face?

batman forever