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. RIVERS 
Clue: The Falls of Saint Anthony stop this mighty river from being navigable north of St. Paul, Minnesota

A: the mississippi
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Q: Category: A LITERARY TOUR 
Clue: Tourist cometh to Tao House, the California home where he wrote "The Iceman Cometh"

A: eugene o\'neill
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Q: Category: OUR FOUNDING FATHERS 
Clue: He began building Monticello in 1770 but it wasn't completed until after he left the presidency in 1809

A:
thomas jefferson
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