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 consistency, answers should be in all lower cased letters.
question:
Category: BRAZIL 
Clue: It got its name after a Spanish explorer reported being attacked by female warriors there
answer:
amazon river


question:
Category: A PARIS CHRONOLOGY 
Clue: Paris was founded around 250 B.C. by the Celtic Parisii tribe, who built a settlement on an island in this river
answer:
the seine


question:
Category: NAME THAT CENTURY 
Clue: President McKinley is assassinated
answer:

the 20th century