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: VIVE LA FRANCE! 
Clue: AKA "Chant de guerre pour l'armee du Rhin", it was banned by Napoleon, Louis XVIII & Napoleon III

Answer: \"la marseillaise\"


Question: Category: CONTEMPORARY AMERICANS 
Clue: In December 1996 his reference to "Irrational Exuberance" sent stock prices plunging around the world

Answer: alan greenspan


Question: Category: LITERARY TITLE OBJECTS 
Clue: In an 1868 novel, this mysterious title object is believed to sparkle or dim depending on lunar phases

Answer:
the moonstone