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.
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Question: Category: THE MOVIES 
Clue: This 2003 film spawned a craze for clown fish in home aquariums

Answer: finding nemo


Question: Category: MUSICAL THEATRE 
Clue: Currently, this show is performed by 3 troupes; the Liffey & Lagan Companies on tour & the Shannon Company on B'way

Answer: \"riverdance\"


Question: Category: AMERICAN AUTHORS 
Clue: He launched his lecturing career in 1866 with a talk later titled "Our Fellow Savages of the Sandwich Islands"

Answer:
mark twain