Question: Heather R. Mizeur lost the Democratic primary to what American lawyer and politician, who is currently serving as the U.S. Representative for Maryland's 4th congressional district?
Sentence (from "Anthony G. Brown"): Anthony Gregory Brown (born November 21, 1961) is an American lawyer and politician, who is currently serving as the U.S. Representative for Maryland's 4th congressional district.
Relevant evidence: Yes