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.

Category: KILL BILL: VOL. 1 
Clue: This former "Ziegfeld follies" humorist died in 1935 in an Alaskan plane crash
will rogers

Category: WITCHCRAFT 
Clue: Until Dorothy showed up, these small folks toiled as slaves for Oz' Wicked Witch of the East
munchkins

Category: 19th CENTURY INVENTORS 
Clue: In 1837 he developed the steel plow & tested it on Lewis Crandall's farm near Grand Detour, Illinois

deere