Question: Which airport is located in North Dakota, Grand Forks International Airport or Knox County Regional Airport?

Related documents: [0]  [DOC] Grand Forks International Airport (IATA: GFK, ICAO: KGFK, FAA LID: GFK) is a public airport five miles (8 km) northwest of Grand Forks, in Grand Forks County, North Dakota. GFK has no scheduled passenger flights out of the country but has an "international" title (like many other airports) because it has customs service for arrivals from Canada and other countries. [END] 
[1]  [DOC] Knox County Regional Airport (IATA: RKD, ICAO: KRKD, FAA LID: RKD) is a county owned, public use airport in Knox County, Maine, United States. It is located three nautical miles (6 km) south of the central business district of Rockland, Maine. The airport serves the residents of midcoast Maine with commercial and charter aviation services. Scheduled airline service is subsidized by the Essential Air Service program. It is also a major hub of freight and mail service to Maine's island communities including Matinicus, North Haven and Vinalhaven. [END]  
Answer: Grand Forks International Airport
Grand Forks International Airport