Given a trivia question, classify broad topical category from this list: 'theater', 'geology', 'book', 'tv', 'astronomy', 'aviation', 'military', 'government', 'boxing', 'projects', 'metropolitan_transit', 'law', 'venture_capital', 'broadcast', 'biology', 'people', 'influence', 'baseball', 'spaceflight', 'media_common', 'cvg', 'opera', 'olympics', 'chemistry', 'visual_art', 'conferences', 'sports', 'language', 'travel', 'location', 'award', 'dining', 'martial_arts', 'comic_strips', 'computer', 'user', 'tennis', 'music', 'organization', 'food', 'event', 'transportation', 'fictional_universe', 'measurement_unit', 'meteorology', 'distilled_spirits', 'symbols', 'architecture', 'freebase', 'internet', 'fashion', 'boats', 'cricket', 'film', 'medicine', 'finance', 'comic_books', 'celebrities', 'soccer', 'games', 'time', 'geography', 'interests', 'common', 'base', 'business', 'periodicals', 'royalty', 'education', 'type', 'religion', 'automotive', 'exhibitions'.

Example Input: What 2009 science fiction disaster film starring John Cusack, Chiwetel Ejiofor, Amanda Peet, Oliver Platt, Danny Glover, Thandie Newton, and Woody Harrelson references Mayanism and the Mesoamerican Long Count calendar, depicting a series of Doomsday scenarios that plunge the world into chaos?
Example Output: film

Example Input: Which famous two word titled Beatles song did the band The Arctic Monkeys perform at the Opening Ceremony of the 2012 Summer Olympics?
Example Output: music

Example Input: Argentinian David Nalbandian is a professional player of what sport?
Example Output:
sports