You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: AMERICAN LITERATURE 
Clue: Controversial even when serialized in the "National Era", it sold over 300,000 copies in book form in 1852
uncle tom\'s cabin

Category: WORLD GEOGRAPHY 
Clue: You can view the Jungfrau Peak from the main street of this town between the Brienz & Thun Lakes
interlaken, switzerland

Category: LONG-RUNNING FILMS 
Clue: Playing in theaters since 1975, this film has had the longest continuous theatrical run in movie history

the rocky horror picture show