Question: Which airline, with the abbreviation DAT, operates two daily flights to Oslo Airport, Gardermoen? 
Sentence (from "Stord Airport, Sørstokken"): Stord Airport, Sørstokken (Norwegian: "Stord lufthavn, Sørstokken" ; Nynorsk: "Stord Lufthamn" ; IATA: SRP, ICAO: ENSO ) is a municipal regional airport located at Sørstokken in Stord, a municipality in Hordaland county, Norway.
Relevant evidence: No