paragraph_text: The 2018 Winter Olympics torch relay began 24 October 2017 and ended on 9 February 2018, in advance of the 2018 Winter Olympics. After being lit in Olympia, Greece, the torch traveled to Athens on 31 October. The torch began its Korean journey on 1 November, visiting all Regions of Korea. The Korean leg began in Incheon: the torch travelled across the country for 101 days. 7,500 relay runners participated in the torch relay over a distance of 2,017 km. The torchbearers each carried the flame for 200 metres. The relay ended in Pyeongchang's Olympic Stadium, the main venue of the 2018 Olympics. The final torch was lit by figure skater Yuna Kim.

paragraph_text: Tafraoui is a municipality in Oran Province, Algeria close to the city of Oran. There is an airport with the same name. Capturing Tafaraoui Airport was a part of Operation Torch in the World War II.

paragraph_text: The men's 1 mile freestyle was a swimming event held as part of the Swimming at the 1904 Summer Olympics programme. It was the first time the event was held at such a distance at the Olympics and the only time the mile was used; later incarnations of the event used 1500 metres as the distance.

paragraph_text: Floyd James ``Jim ''Thompson (July 8, 1933 -- July 16, 2002) was a United States Army colonel. He was the longest held American prisoner of war in U.S. history, spending nearly nine years in captivity in the jungle camps and mountains of South Vietnam and Laos, and in North Vietnam during the Vietnam War.

paragraph_text: Tân Sơn Nhất International Airport (IATA: SGN, ICAO: VVTS) (Vietnamese: Sân bay quốc tế Tân Sơn Nhất, Vietnamese: Cảng hàng không quốc tế Tân Sơn Nhất) is the busiest airport in Vietnam with 32.5 million passengers in 2016, serving Ho Chi Minh City as well as the rest of southeastern Vietnam. As of January 2017, it had a total capacity of only 25 million passengers, which has caused constant congestion and sparked debate for expanding or building a new airport. The airport's IATA code, SGN, is derived from the city's former name of Saigon.

paragraph_text: North Korea: The event was held in Pyongyang on April 28. It was the first time that the Olympic torch has traveled to North Korea. A crowd of thousands waving pink paper flowers and small flags with the Beijing Olympics logo were organized by the authoritarian regime watched the beginning of the relay in Pyongyang, some waving Chinese flags. The event was presided over by the head of the country's parliament, Kim Yong Nam. The North, an ally of China, has been critical of disruptions to the torch relay elsewhere and has supported Beijing in its actions against protests in Tibet. Kim passed the torch to the first runner Pak Du Ik, who played on North Korea's 1966 World Cup soccer team, as he began the 19-kilometre route through Pyongyang. The relay began from the large sculpted flame of the obelisk of the Juche Tower, which commemorates the national ideology of Juche, or "self-reliance", created by the country's late founding President Kim Il Sung, father of leader Kim Jong Il, who did not attend.

paragraph_text: Vietnam: The event was held in Ho Chi Minh City on April 29. Some 60 torchbearers carried the torch from the downtown Opera House to the Military Zone 7 Competition Hall stadium near Tan Son Nhat International Airport along an undisclosed route. Vietnam is involved in a territorial dispute with China (and other countries) for sovereignty of the Spratly and Paracel Islands; tensions have risen recently[when?] following reports that the Chinese government had established a county-level city named Sansha in the disputed territories, resulting in anti-Chinese demonstrations in December 2007 in Hanoi and Ho Chi Minh City. However to sustain its relationship with China the Vietnamese government has actively sought to head off protests during the torch relay, with Prime Minister Nguyễn Tấn Dũng warning government agencies that "hostile forces" may try to disrupt the torch relay.

paragraph_text: Indonesia: The Olympic flame reached Jakarta on April 22. The original 20 km relay through Jakarta was cancelled due to "security worries", at the request of the Chinese embassy, and the torch was instead carried round the city main's stadium, as it had been in Islamabad. Several dozen pro-Tibet protesters gathered near the stadium, and were dispersed by the police. The event was held in the streets around the city main's stadium. The cancelling of the relay through the city itself was decided due to security concerns and at the request of the Chinese embassy. Only invitees and journalists were admitted inside the stadium. Protests took place outside the stadium.

paragraph_text: After being lit at the birthplace of the Olympic Games in Olympia, Greece on March 24, the torch traveled to the Panathinaiko Stadium in Athens, and then to Beijing, arriving on March 31. From Beijing, the torch was following a route passing through six continents. The torch has visited cities along the Silk Road, symbolizing ancient links between China and the rest of the world. The relay also included an ascent with the flame to the top of Mount Everest on the border of Nepal and Tibet, China from the Chinese side, which was closed specially for the event.

paragraph_text: International Anti-Dengue Day is observed every year on 15 June. The idea was first agreed upon in 2010 with the first event held in Jakarta, Indonesia in 2011. Further events were held in 2012 in Yangon, Myanmar and in 2013 in Vietnam. Goals are to increase public awareness about dengue, mobilize resources for its prevention and control and, to demonstrate the Asian region's commitment in tackling the disease.

paragraph_text: The 25 miles was a track cycling event held as part of the Cycling at the 1904 Summer Olympics programme. It was the only time this event was held at the Olympics. 10 cyclists, all from the United States, competed.

paragraph_text: The Lion's Cup (named the "Emeron Cup" in its first two years) was a WTA Tour tennis tournament held from 1978 until 1985, in Tokyo, Japan. The event was held on indoor hard courts in 1978 and 1979 before moving to indoor carpet courts. Only a singles event was contested.

paragraph_text: The team eventing was an equestrian event held as part of the Equestrian at the 1964 Summer Olympics programme. The event was held from 16 October to 19 October, and consisted merely of summing the scores of the team's top 3 (out of 4) horse and rider pairs in the individual eventing.

paragraph_text: It was in 1920 that the first World Scout Jamboree was realized, held in the Olympia halls in Kensington, London. Symbolically, the Jamboree site bore the name of the birthplace of the Olympic Games, Olympia. 8,000 Scouts from 34 countries attended the event.

paragraph_text: Vietnam Airlines Flight 474 crashed on approach to Nha Trang Airport on 14 November 1992 during Cyclone Forrest. The aircraft was a Yakovlev Yak-40 registered VN-A449. One passenger survived, while the other 24 passengers and six crew were killed.

paragraph_text: Ho Chi Minh was the key figure and held the main leadership of North Vietnam during both wars in the country. He remained as a great source of inspiration for the Vietnamese who were fighting for a united Vietnam as in his wish after he officially stepped aside in 1965 and even after his death in 1969. The final offensive against Saigon -- the capital of South Vietnam in 1975 was named after him (the Ho Chi Minh Campaign). Vietnam was reunified under the Communist rule after the fall of Saigon in April 1975, nearly 30 years after Ho's declaration of independence and 6 years after his death. Soon after that, Saigon was renamed Ho Chi Minh city in honour of his vast contributions to Vietnam.

paragraph_text: The individual jumping was an equestrian event held as part of the Equestrian at the 1912 Summer Olympics programme. It was the second appearance of the event, which had first been held at the 1900 Summer Olympics.

paragraph_text: While the airline had launched flights to London-Gatwick, Beijing and Shanghai, as of April 2018 there are no flights to Mumbai, Doha, and Brisbane. The airline also plans to re-open flights to Berlin, and commence flights to Adelaide, Perth, Amsterdam, Milan, Prague, Mandalay, Dalian, Nanjing, Hangzhou and African cities; by 2020, Vietnam Airlines is expected to serve 53 international destinations, up from 27 in 2011. By 2020, Vietnam Airlines plans to increase its annual revenue to US$7 billion – up from $1.86 billion in 2010 – by carrying 620,000 tonnes of cargo and 35 million passengers, using a fleet of 163 aircraft (later revised to 41 million passengers using 170 aircraft). It aims to capture a 45% market share of Vietnam's aviation market. During its first 15 years of operation, from 1996 to 2010, Vietnam Airlines carried a total of 82 million passengers on 678,550 flights. In addition, Vietnam Airlines plans to transfer most of its international operations from its current hub, Tan Son Nhat International Airport, to the proposed Long Thanh International Airport. With a cost of approximately US$6 billion, the airport will, according to Vietnamese authorities, help Vietnam Airlines boost its operations internationally as it seeks to bypass Thailand as the dominant gateway to the Greater Mekong region. London operations were transferred from Gatwick to Heathrow in 2015; the airline plans to operate its new Boeing 787-9 aircraft to this destination, starting from .

paragraph_text: The Olympic Torch is based on traditional scrolls and uses a traditional Chinese design known as "Lucky Cloud". It is made from aluminum. It is 72 centimetres high and weighs 985 grams. The torch is designed to remain lit in 65 kilometre per hour (37 mile per hour) winds, and in rain of up to 50 millimetres (2 inches) per hour. An ignition key is used to ignite and extinguish the flame. The torch is fueled by cans of propane. Each can will light the torch for 15 minutes. It is designed by a team from Lenovo Group. The Torch is designed in reference to the traditional Chinese concept of the 5 elements that make up the entire universe.

paragraph_text: Argentina: The torch relay leg in Buenos Aires, Argentina, held on April 11, began with an artistic show at the Lola Mora amphitheatre in Costanera Sur. In the end of the show the mayor of Buenos Aires Mauricio Macri gave the torch to the first torchbearer, Carlos Espínola. The leg finished at the Buenos Aires Riding Club in the Palermo district, the last torchbearer being Gabriela Sabatini. The 13.8 km route included landmarks like the obelisk and Plaza de Mayo. The day was marked by several pro-Tibet protests, which included a giant banner reading "Free Tibet", and an alternative "human rights torch" that was lit by protesters and paraded along the route the flame was to take. Most of these protests were peaceful in nature, and the torch was not impeded. Chinese immigrants also turned out in support of the Games, but only minor scuffles were reported between both groups. Runners surrounded by rows of security carried the Olympic flame past thousands of jubilant Argentines in the most trouble-free torch relay in nearly a week. People showered the parade route with confetti as banks, government offices and businesses took an impromptu half-day holiday for the only Latin American stop on the flame's five-continent journey.

Question: What is the name of the airport in the city where the torch event was held in Vietnam?
Answer: Tân Sơn Nhất International Airport