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: ALL ABOUT RIVERS 
Clue: You may be waiting for the Robert E. Lee on a natural one of these raised river banks created by flood waters
[A]: levee


[Q]: Category: AMERICAN HISTORY 
Clue: After 3 previous acquittals, this reputed crime family boss was finally convicted in New York City on April 2, 1992
[A]: john gotti


[Q]: Category: DINOSAURS 
Clue: Nicknamed Sue, the largest of these, the "King of the Dinosaurs", was uncovered in South Dakota in 1990
[A]:
tyrannosaurus rex