Question: Heather Mizeur lost the 2014 election to what American lawyer and politician, who is currently serving as the U.S. Representative for Maryland's 4th congressional district
Sentence (from "Blaine Luetkemeyer"): William Blaine Luetkemeyer (born May 7, 1952) is an American politician currently serving as the incumbent U.S. Representative for Missouri 's 3 congressional district , a seat he has held since 2009.
Relevant evidence: No