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

 'The Dream of Gerontius' is the 1900 work of which English composer?
the dream of gerontius

Which country is currently ruled by the Chakri dynasty that has been in power since 1782?
chakri dynasty

In 2002, which film won Oscars for Best Sound and Best Editing?

academy award for best sound