Question: Raleigh–Durham International Airport, is the main airport serving Raleigh, Durham, and the surrounding Research Triangle region of North Carolina, the airport  is a crew base for which regional airline carrier, owned by Trans States Holdings and is headquartered in Bridgeton, Missouri?
Sentence (from "Raleigh–Durham International Airport"): Raleigh–Durham International Airport (IATA: RDU, ICAO: KRDU, FAA LID: RDU) is the main airport serving Raleigh, Durham, and the surrounding Research Triangle region of North Carolina.
Relevant evidence: No