Question: Which Democratic Party politician from South Dakota was re-elected to the Senate in 1974 over a colonel in the United States Air Force who received the Medal of Honor for his actions in the Vietnam War?
Sentence (from "Electoral history of George McGovern"): George McGovern, a Democratic Party politician from South Dakota, was first elected to the United States House of Representatives to represent South Dakota's 1st congressional district in 1956.
Relevant evidence: Yes