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"): John Michael Mulvaney ( ; born July 21, 1967) is an American politician in the Republican Party and Director of the Office of Management and Budget (OMB).
Relevant evidence: Yes