Question:  Bardufoss Airportis a primary airport situated at Bardufoss in Målselv, Norway, Norwegian Air Shuttle operates three daily flights with Boeing 737s to where?
Context: Bardufoss is an urban area and commercial centre in the municipality of Målselv in Troms county, Norway.  The three villages of Andselv, Andslimoen, and Heggelia together form the Bardufoss area.  Bardufoss is located in the Målselvdalen valley near the confluence of the Barduelva and Målselva rivers.  It is located about 82 km north of the city of Narvik and about 70 km south of the city of Tromsø.  Bardufoss Airport is located here.  The population (2001) was 2,580. Andøya Airport, Andenes (Norwegian: "Andøya lufthavn, Andenes" ; IATA: ANX, ICAO: ENAN ) is a domestic airport located at Andenes in Andøy, Norway, on the northern tip of the island of Andøya.  The airport is the civilian sector of Andøya Air Station and is operated by the state-owned Avinor.  The airport consists of two runways, 2468 and long, and served 48,254 passengers in 2012.  Widerøe operates public service obligation (PSO) flights to Bodø, Tromsø, Stokmarknes and Harstad/Narvik, while Norwegian Air Shuttle operates seasonal flights to Oslo. Bardufoss Air Station (IATA: BDU, ICAO: ENDU) (Norwegian: Bardufoss flystasjon) is located in the municipality of Målselv in Troms county in Northern Norway.  It is the location of the Royal Norwegian Air Force 139 Air Wing and two helicopter squadrons; the 337 Squadron operating Lynx MK 86 for the Norwegian Coast Guard and the 339 Squadron equipped with Bell 412SPs.  It is also the base for the Royal Norwegian Air Force Flight Training School.  In addition, helicopter Squadron no. 334 is currently under establishment as it will be operating NH90 NFH helicopters.  The delivery of the NH90 helicopters just started.  334 Squadron will only have its command post and maintenance facilities at Bardufoss, as the helicopters will be stationed on the new Fridtjof Nansen class frigates when they arrive. Norwegian Air Shuttle ASA (), trading as Norwegian, is a Norwegian low-cost airline.  It is the third largest low-cost carrier in Europe, the largest airline in Scandinavia, and the ninth-largest airline in Europe in terms of passenger numbers.  It offers a high-frequency domestic flight schedule within Scandinavia and Finland, and to business destinations such as London, as well as to holiday destinations in the Mediterranean and the Canary Islands, transporting over 30 million people in 2016.  The airline is known for its distinctive livery of white with a red nose, with portraits of distinguished Scandinavians on the tail fins of its aircraft. Bardufoss Airport (Norwegian: "Bardufoss lufthavn" ; IATA: BDU, ICAO: ENDU ) is a primary airport situated at Bardufoss in Målselv, Norway.  The airport, which is the civilian sector of the Royal Norwegian Air Force's (RNoAF) Bardufoss Air Station, is operated by the state-owned Avinor.  It consists of a 2443 m runway, a parallel taxiway and handled 218,451 passengers in 2014.  Norwegian Air Shuttle operates three daily flights with Boeing 737s to Oslo.  The airport's catchment area covers central Troms. Harstad/Narvik Airport, Evenes (Norwegian: "Harstad/Narvik lufthavn, Evenes" ; IATA: EVE, ICAO: ENEV ) is an international airport located in Evenes, Norway, serving the towns of Harstad and Narvik.  It is co-located with Evenes Air Station of the Royal Norwegian Air Force.  The civilian sector is owned and operated by the state-owned Avinor and handled 654,977 passengers in 2013.  Evenes has a 2808 m runway, a parallel taxiway and a terminal with five gates.  The airlines with daily scheduled services are Norwegian Air Shuttle, Scandinavian Airlines (SAS) and Widerøe.  Destinations with daily services are Oslo, Bodø, Tromsø and Andenes.  Evenes is the only primary airport in Central Hålogaland and its catchment area for Oslo-bound flights includes Lofoten and Vesterålen. Norwegian Air UK is a British airline owned by Norwegian Air Shuttle, flying scheduled services within Europe and North America with a registered office at the Beehive, Gatwick Airport.  The airline operates Boeing 737-800 and Boeing 787-9 aircraft based at Gatwick Airport. Norwegian Air Shuttle operates long-haul flights from Europe to Asia, United States and soon Argentina through a fully owned subsidiary Norwegian Long Haul AS which operates an all-Boeing 787 Dreamliner fleet.  Norwegian Long Haul is registered in Norway, and is managed by Norwegian Air Shuttle ASA from its head office at Fornebu.  Its capacity is used to operate some routes of parent company Norwegian Air Shuttle (IATA code DY) to Asia and North America. Kirkenes Airport, Høybuktmoen (Norwegian: "Kirkenes lufthavn, Høybuktmoen" ; IATA: KKN, ICAO: ENKR ) is an international airport located at Høybuktmoen, 15 km west of the town of Kirkenes, in the municipality of Sør-Varanger, Finnmark county, Norway.  Operated by the state-owned Avinor, the airport has a single 2115 by asphalt runway numbered 06–24.  Scandinavian Airlines and Norwegian Air Shuttle operate Boeing 737-services to Oslo Airport, Gardermoen, in part generated by Høybuktmoen's function as a hub for Widerøe's regional services to other airports in eastern Finnmark.  There are also summer charter flights to Central Europe to bring tourists to the Hurtigruten cruises.  The airport had 297,149 passengers in 2013. Norwegian Air Shuttle is a low-cost airline operating from Norway, Sweden, Denmark, Finland, Spain and the United Kingdom.  As of December 2012, it operates to 87 airports in 25 countries across three continents, from its operating bases.  Norwegian was founded in 1993 as a regional airline to operate routes for Braathens SAFE in Western Norway.  It became a domestic, main-haul low-cost carrier from 1 September 2002, when it took into use Boeing 737-300.  In 2006, Norwegian Air Shuttle established its first non-Norwegian base at Warsaw Frédéric Chopin Airport in Poland.  A year later, Norwegian bought the Swedish low-cost carrier FlyNordic, which was merged into Norwegian a year later.
Answer: Oslo