Question: Chauncey Klugh 'Greg' Gregory is a Republican member of the South Carolina Senate, representing the 16th District, Gregory expressed his wish to re-enter the State Senate, and he ran for the District sixteen seat in which year, after it was vacated by newly elected Congressman Mick Mulvaney?
Sentence (from "Mick Mulvaney"): Elected to the U.S. House of Representatives in 2010, he was the first Republican since 1883 to represent South Carolina 's 5 congressional district where he served until his confirmation as OMB Director in 2017.
Relevant evidence: No