Question: In what year did the winner of the 2004 United States Senate election in Kansas run for president but withdrew before the primaries?
Sentence (from "Sam Brownback"): A member of the Republican Party, Brownback was first elected to the U.S. House of Representatives during the Republican Revolution of 1994, representing Kansas's 2nd congressional district for a single term, before running in a 1996 special election for the U.S. Senate seat previously held by Bob Dole.
Relevant evidence: No