Question: In the Missouri gubernatorial election of 2008, Matt Blunt beat what American politician who is a member of the democratic party, and serves as the senior United State Senator from missouri?
Sentence (from "Missouri gubernatorial election, 2008"): The incumbent governor, Matt Blunt, who had decided to retire, narrowly won the 2004 election by beating state auditor Claire McCaskill 51%-48%, and would likely have faced a strong challenger in 2008.
Relevant evidence: Yes