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 consistency, answers should be in all lower cased letters.
--------
Question: Category: COLLEGE SPORTS 
Clue: 2 college players have rushed for more than 2,300 yards in a season: Barry Sanders & this USC back, later a Raider

Answer: marcus allen


Question: Category: ANIMALS IN LITERATURE 
Clue: This knight errant's steed in Rocinante, a draft horse originally belonging to his neighbor

Answer: don quixote


Question: Category: NO. 1 
Clue: Harding was the first president to ride to his inauguration in one of these

Answer:
a car