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 "Rico Oller"): Oller lost to Bigelow by 5.7%.
Relevant evidence: No