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: ELTON JOHN
Clue: In 1997 Elton John recorded a new version of this song as a tribute to Princess Diana
"candle in the wind"

Category: BUSINESS & INDUSTRY
Clue: This stagecoach company owned the Pony Express during the last few months of its existence
wells fargo

Category: AMERICAN HISTORY
Clue: On August 29, 1877, this leader of the Mormon Church died
brigham young