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: AMERICANA
Clue: Originally beardless, Uncle Sam got his chin whiskers from images depicting this real-life man
[EX A]: abraham lincoln

[EX Q]: Category: BRITISH AUTHORS
Clue: His son Christopher said, my father "got to where he was by climbing upon my infant shoulders"
[EX A]: a.a. milne

[EX Q]: Category: U.S. LANDMARKS
Clue: It contains over 5,000 tons of steel, rises 630 feet in the air & is in the shape of an inverted catenary curve
[EX A]:
the st. louis gateway arch