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: WHAT SHOULD I "DU"? 
Clue: A philosophical system that seeks to explain all phenomena in terms of 2 distinct principles
[EX A]: dualism

[EX Q]: Category: CALL ME SMITTY 
Clue: Her Armistice Day rendition of "God Bless America" in 1938 introduced the song to the world
[EX A]: kate smith

[EX Q]: Category: RABBI 
Clue: 12th century rabbi Benjamin of Tudela may have been the first European to reach this land, before Marco Polo
[EX A]:
china