instruction:
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.
question:
Category: PLAYS 
Clue: Based on a myth, this 1913 play became a 1938 movie, a 1956 stage musical & a 1964 movie musical
answer:
pygmalion


question:
Category: POP MUSIC 
Clue: Elvis Presley record which held Billboard #1 singles position for 11 weeks, longest in rock era
answer:
\"hound dog\"/\"don\'t be cruel\"


question:
Category: MODERN MONARCHIES 
Clue: Of the 3 African countries ruled by monarchs, it's the farthest north
answer:

morocco