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: POLITICAL CAMPAIGNS 
Clue: This man's successful 2001 campaign was the most expensive non-presidential campaign in history
michael bloomberg

Category: U.S. PRESIDENTS 
Clue: The first man to receive a million votes for president in one election, he didn't get to enjoy the victory for long
william henry harrison

Category: AMERICAN BUSINESS 
Clue: The mailing address for this company is P.O. Box 57, Pittsburgh, Pennsylvania 15230

heinz