Question: What is the name of this person who served as Secretary of the Navy and as a five-term Republican States Senator and beat Attorney General of Virginia Andrew P. Miller in the Senate election in Virginia in 1978?
Sentence (from "Connecticut attorney general election, 2010"): Blumenthal's decision not to seek a sixth term set-up the first open race for attorney general in the state since Blumenthal's election in 1990.
Relevant evidence: No