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.

[EX Q]: Category: AMERICAN ENTERTAINERS 
Clue: "Evita"'s "Don't Cry for Me Argentina" was inspired by a 1969 concert of hers in London; she left the stage after 15 minutes
[EX A]: judy garland

[EX Q]: Category: NATURE 
Clue: The propagation of oak trees depends on the lousy memories of these animals
[EX A]: squirrels

[EX Q]: Category: MEN OF MEDICINE 
Clue: In 1891 he helped found & became the first chairman of the British Institute of Preventive Medicine
[EX A]:
joseph lister