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.

[Q]: Category: U.S. PRESIDENTS 
Clue: Washington was the one who added these 4 words to the presidential oath; they're not in the Constitution
[A]: \"so help me god\"


[Q]: Category: WOMEN IN HISTORY 
Clue: Arrested for voting in 1872 election, she died 14 years before the 19th Amendment
[A]: susan b. anthony


[Q]: Category: OPERA SETTINGS 
Clue: Verdi's Nabucco, who's also known by a longer form of his name, is the king of this ancient place
[A]:
babylon