Question: Tyrolean Airways was owned by an airline group that was one of the five founding members of an airline alliance formed in what year?
Context: Tyrolean Airways, officially "Tyrolean Airways Tiroler Luftfahrt GmbH", was an Austrian airline based in Innsbruck with its hub at Vienna International Airport and its homebase at Innsbruck Airport.  It was owned by the Lufthansa Group and was an affiliate of the Star Alliance together with its parent Austrian Airlines. Delta Air Lines, Inc. ("Delta"; ) is a major American airline, with its headquarters and largest hub at Hartsfield–Jackson Atlanta International Airport in Atlanta, Georgia.  The airline along with its subsidiaries and regional affiliates operate over 5,400 flights daily and serve an extensive domestic and international network that includes 319 destinations in 54 countries on six continents, as of October 2016.  Delta is one of the four founding members of the SkyTeam airline alliance, and operates joint ventures with Air France-KLM, Alitalia, Korean Air, China Eastern Airlines, Virgin Atlantic, and Virgin Australia.  Regional service is operated under the brand name Delta Connection. Kingfisher Airlines was established in 2003.  It is owned by the Bengaluru based United Breweries Group.  The airline started commercial operations on 9 May 2005 with a fleet of four new Airbus A320-200s operating a flight from Mumbai to Delhi.  It started its international operations on 3 September 2008 by connecting Bengaluru with London.  Kingfisher's head office is located in Kingfisher House Western Express Highway Vile Parle (E) Mumbai – 400099 India and its registered office is located in UB City, Bangalore.  Its head office was previously in the Kingfisher House in Vile Parle (East), Mumbai.  In 2012 Vijay Mallya was trying to sell the Vile Parle Kingfisher House.  The airline had shut down its operations when on 20 October 2012 the DGCA suspended its flying license.  This suspension had been due to failure to give an effective response to the show-cause notice issued by DGCA.  However, The airline had locked out its employees for several days before this suspension.  On 25 October 2012, the employees agreed to return to work.  On 7 June 2010 Kingfisher became a member elect of the Oneworld airline alliance when it signed a formal membership agreement.  Kingfisher confirmed on 20 December 2011 that it will join the Oneworld airline alliance on 10 February 2012.  Kingfisher would have been the first Indian carrier to join one of the big airline alliances.  However, on 3 February 2012, owing to bad financial situation and two days after the International Air Transport Association (IATA) clearing house suspended Kingfisher Airlines; the airlines participation to Oneworld has been put on hold. Qantas Airways ( ; ) is the flag carrier of Australia and its largest airline by fleet size, international flights and international destinations.  It is the third oldest airline in the world, after KLM and Avianca having been founded in November 1920; it began international passenger flights in May 1935.  The Qantas name comes from ""QANTAS"", an acronym for its original name, ""Queensland and Northern Territory Aerial Services"", and it is nicknamed "The Flying Kangaroo".  Qantas is a founding member of the Oneworld airline alliance. Deutsche Lufthansa AG () (] ), commonly known as Lufthansa (sometimes also as "Lufthansa German Airlines"), is the largest German airline and, when combined with its subsidiaries, also the largest airline in Europe, in terms of fleet size, and the second largest airline in terms of passengers carried during 2016.  The name of the company is derived from "Luft" 'air' and "Hansa", the Hanseatic League.  Lufthansa is one of the five founding members of Star Alliance, the world's largest airline alliance, formed in 1997. Oneworld (marketed as oneworld; CRS: *O) is an airline alliance founded on 1 February 1999.  The alliance's stated objective is to be the first-choice airline alliance for the world's frequent international travelers.  Its central alliance office is currently based in New York City in the United States.  Its member airlines include Air Berlin, American Airlines, British Airways, Cathay Pacific, Finnair, Iberia, Japan Airlines, LATAM Airlines, Malaysia Airlines, Qantas, Qatar Airways, Royal Jordanian, S7 Airlines and SriLankan Airlines, plus some 21 affiliated airlines.  As of August 2016, Oneworld is the third largest global alliance in terms of passengers with more than 557.4 million passengers carried, behind Star Alliance (689.98 M) and SkyTeam (665.4 M).  Its slogan is "An alliance of the world's leading airlines working as one." Value Alliance is an airline alliance formed in May 2016.  It is the world's second alliance (after the U-FLY Alliance) to consist only of low-cost carriers (LCCs).  However, it is the first pan-regional LCC alliance.  It comprises seven Asia-Pacific airlines: Cebu Pacific, Jeju Air, Nok Air, NokScoot, Scoot, Tigerair Australia and Vanilla Air, along with Tigerair who merged with Scoot under the Scoot brand. Canadian Airlines International Ltd. was a Canadian airline that operated from 1987 until 2001.  The airline was Canada's second largest airline after Air Canada, and carried more than 11.9 million passengers to over 160 destinations in 17 countries on five continents at its height in 1996.  Canadian Airlines served 105 destinations in Canada, more than any other airline.  Canadian Airlines was also a founding member of the Oneworld airline alliance. British Aviation Services Limited (Britavia) was an early post-World War II airline holding company and air transport operator that could trace its roots back to 1946.  Its main activities included trooping, inclusive tour (IT) and worldwide passenger and freight charter services. British Aviation Services' first investment in a British independent airline occurred in 1946, when it acquired a minority interest in Silver City Airways.  Silver City Airways operated the world's first cross-Channel air ferry service on 13 July 1948.  It subsequently became British Aviation Services' biggest operating division.  In 1953, British Aviation Services took over the independent airline Air Kruise.  The same year, BAS Group also took control of Aquila Airways, the last commercial flying boat operator in the United Kingdom.  The completion of these acquisitions by mid-1954 resulted in a reorganisation of the British Aviation Services group, with British Aviation Services Ltd (BAS Group) becoming the group's holding company and Britavia one of its operating subsidiaries.  By the late 1950s, BAS Group became Britain's largest independent airline operator.  Its numerous operating divisions included Britavia's Hermes Division at Blackbushe Airport and Aquila Airways's Flying Boat Division at Hamble near Southampton.  The former concentrated on trooping services and inclusive tours while the latter provided scheduled services to Portugal, the Canary Islands and Italy.  In 1962, BAS Group merged with British United Airways (BUA), which by that time had replaced BAS as the UK's largest independent airline operator. The Vanilla Alliance (French: "Alliance Vanille" ) is an airline alliance formed in September 2015 to improve air connectivity within the Indian Ocean region by strengthening cooperation between the airlines of Indian Ocean Commission members.  Ultimately, the alliance wishes to increase tourism, trade, and business ties in the region.  The founding members are Air Austral, Air Madagascar, Air Mauritius, Air Seychelles and Int'Air Îles.
Answer: 1997