Question: Lauda Air is headquartered at the airport located in what city?

Context paragraphs:
Phu Toei National Park: Phu Toei National Park (อุทยานแห่งชาติพุเตย) is a 317 km2 national park located in Dan Chang District of Suphan Buri Province, Thailand.  It has been a national park since September 30, 1998.  On 26 May 1991, Lauda Air Flight 004 crashed over the park after one of the Boeing 767's thrust reversers deployed in mid-air.

San Bernardino International Airport: San Bernardino International Airport (IATA: SBD, ICAO: KSBD, FAA LID: SBD) (SBIA) is a public airport located less than two miles (3 km) southeast of the city center of San Bernardino, California, in San Bernardino County, California, USA.  The airport covers 1329 acre and has one runway.  The facility is currently operating as a general aviation and cargo airport located on the former site of Norton Air Force Base, which was built as the San Bernardino Air Depot in 1942 and which was decommissioned in March 1994.  A non-federal control tower (NFCT) began operation on November 9, 2008, and is operated under contract by SERCO company personnel.

Bishop International Airport: Bishop International Airport (IATA: FNT, ICAO: KFNT, FAA LID: FNT) is a commercial and general aviation airport located in Flint, Michigan.  It is named after banker and General Motors board member Arthur Giles Bishop (April 12, 1851 – January 22, 1944), who donated 220 acres of his farmland for the airport in 1928.  The third busiest airport in Michigan, it surpassed competitor MBS International Airport in terms of airline operations in 2002.  In 2007, 1,071,238 passengers used Bishop International Airport; in 2011, 938,914 passengers used the airport.  It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a small hub primary commercial service facility.  The airport is currently served by several passenger airlines: Allegiant Air, Southwest Airlines and Delta Air Lines operate mainline service out of the airport, as well as affiliates of Delta Connection, United Express and American Eagle.  Additionally, FedEx Express and a FedEx Feeder affiliate operate cargo services out of the airport.  Accompanying the airlines is fixed-base operator Av Flight that handles both general aviation and airline operations and the flight school American Wings Aviation.  Bishop International Airport is in southwestern Flint, and is surrounded by Flint Township to the north, east and west; and Mundy Township to the south.

Billy Bishop Toronto City Airport: Billy Bishop Toronto City Airport (IATA: YTZ, ICAO: CYTZ) is a small international airport located on the Toronto Islands in Toronto, Ontario, Canada.  The airport is often referred to as the Toronto Island Airport and was previously known as "Port George VI Island Airport" and "Toronto City Centre Airport"; the latter is still found on legacy signs near the airport.  The airport's name honours Billy Bishop, the Canadian World War I flying ace and Victoria Cross recipient and World War II Air Marshal.  It is used by civil aviation, air ambulances, and regional airlines using turboprop planes.  In 2016, it was ranked Canada's ninth-busiest airport and Ontario's third-busiest airport by passenger numbers and the sixth-busiest Canadian airport that serves the U.S.

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.  Located 13 km from Leirvik and on the island of Stord, it is the only airport with scheduled services in Sunnhordland.  The airport consists of a single asphalt 1460 x runway designated 14/32.  It is classified as an airport of entry.  Danish Air Transport operates up to two daily flights to Oslo Airport, Gardermoen.  Previously the airport has been served by Coast Aero Center, Fonnafly, Air Stord, Teddy Air, Widerøe and Sun Air of Scandinavia.

Grantley Adams International Airport: Grantley Adams International Airport (GAIA) (IATA: BGI, ICAO: TBPB) is the international airport of Barbados, located in Seawell, Christ Church.  It is the only designated port of entry for persons arriving and departing by air in Barbados and operates as a major gateway to the Eastern Caribbean.  The airport has direct service to destinations in the United States, Canada, Central America and Europe and serves as the second hub for LIAT.  In 2016, the airport was the 8th busiest airport in the Caribbean region; and the third busiest airport in the Lesser Antilles; after Queen Beatrix International Airport located in Aruba, and Pointe-à-Pitre International Airport located in the Republic of France within the island of Guadeloupe.  GAIA, also remains an important air-link for cruise ship passengers departing and arriving at the Port of Bridgetown, and a base of operations for the Regional Security System (RSS), and the Regional (Caribbean) Police Training Centre.

Lauda Air: Lauda Air Luftfahrt GmbH, branded as Lauda Air, was an Austrian airline headquartered at Vienna International Airport in Schwechat.  It was owned by Niki Lauda during much of its existence, later becoming a charter airline subsidiary for leisure operations of Austrian Airlines.  On 6 April 2013, Lauda Air ceased to exist and was replaced by "Austrian myHoliday", a new brand name that is used for flights and leisure offers provided by Austrian Airlines.

Lauda Air Italy: Lauda Air S.p.A. was an airline based in Milan, Italy.  It was a sister company of the Austrian Lauda Air and operated long haul charter services to the Caribbean, South America, Africa, Maldives and Thailand, mainly out of Malpensa International Airport.  When it ceased operations, its aircraft fleet consisted of three Airbus A330-200.  Previously, its fleet had consisted of three Boeing 767-200s.

Kjeller Airport: Kjeller Airport (Norwegian: "Kjeller flyplass" ; ICAO: ENKJ ) is a military and general aviation airport located in Kjeller in Skedsmo, Norway.  Situated in the outskirts of Lillestrøm, it is 9 NM east northeast of Oslo, making it the airport located the closest to the capital.  The airport has a single 1735 m asphalt runway numbered 12–30, with a declared distance of 1357 m .  The airport is owned by the Norwegian Defence Logistics Organization, while the civilian operations is carried out by Kjeller Aero Senter.  The main military activity is the Aerospace Industrial Maintenance Norway, the main maintenance facility for the Royal Norwegian Air Force (RNoAF).

Vienna International Airport: Vienna International Airport (German: "Flughafen Wien-Schwechat" ; IATA: VIE, ICAO: LOWW ) is the international airport of Vienna, the capital of Austria, located in Schwechat, 18 km southeast of central Vienna and 57 km west of Bratislava.  It is the country's biggest airport and serves as the hub for Austrian Airlines and a base for Eurowings and Niki.  It is capable of handling wide-body aircraft up to the Airbus A380.  The airport features a dense network of European destinations as well as long-haul flights to Asia, North America and Africa.  During 2016, the airport handled 23.4 million passengers, a 2.5% increase compared to 2015.

Supporting paragraphs: Lauda Air Vienna International Airport
Answer: Schwechat