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: INTERNATIONAL "C"UISINE 
Clue: French chefs turn this freshwater crustacean into mousse d'ecrevisse
crawfish

Category: CHARACTER ASSASSINATION 
Clue: Air Force gunner Snowden catches some flak & dies in Yossarian's arms, courtesy of this author
heller

Category: SECOND LETTER "X" 
Clue: According to Malory, the name of this legendary sword means "cut-steel"

excalibur