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

Category: FAMOUS ACTORS 
Clue: Ironically, he lost the leading role in the 1960 play "The Best Man" because he didn't look presidential
ronald reagan

Category: GEOGRAPHIC WORDPLAY 
Clue: The name of this Asian country contains the name of a Mediterranean volcano

vietnam