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: MODERN MATERIALS 
Clue: Introduced in the '70s to replace steel belting on high-speed tires, it's called stronger than steel & lighter than nylon
[EX A]: kevlar

[EX Q]: Category: NATIVE AMERICANS 
Clue: A Pennsylvania city, a canal & a Great Lake are named for this tribe
[EX A]: the erie

[EX Q]: Category: FAMOUS ARTISTS 
Clue: In 1909 he exhibited a group of his paintings entitled "Nympheas:  Series De Paysages D'Eau"
[EX A]:
claude monet