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.

Category: U.S. POPULATION 
Clue: Between 2000 & 2010 these 2 states that border each other led the nation in highest percentage of population increase, 35% & 25%
arizona and nevada

Category: ACADEMY AWARD FIRSTS 
Clue: On March 5, 1936 screenwriter Dudley Nichols did this; it didn't happen again until an actor did it April 15, 1971
refused his oscar

Category: AMERICAN FICTION WRITERS 
Clue: He was also the U.S.'s best-paid sportswriter, with stories of people like Chicago O'Brien & Jack the Bookie

damon runyon