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 consistency, answers should be in all lower cased letters.

Category: THAT'S NONE OF YOUR BUSINESS 
Clue: This fish-canning business famous for its mermaid is now owned by a Thai company
chicken of the sea

Category: THE THEATRE 
Clue: Playwright Jean Anouilh had a lot at "stake" with "L'Alouette", his play about this female saint
joan of arc

Category: CATHOLIC PRIESTS 
Clue: Parish priests have their own one of these, John Vianney

patron saint