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?
{'answer': 'Trans States Airlines', 'supporting_facts': [['Raleigh–Durham International Airport', 5], ['Trans States Airlines', 0]]}