Question: What is the name of the airport in the city containing the district of Bình Tân?

full_context: Document 1: Houston: Located in the American South, Houston is a diverse city with a large and growing international community. The metropolitan area is home to an estimated 1.1 million (21.4 percent) residents who were born outside the United States, with nearly two-thirds of the area's foreign-born population from south of the United States–Mexico border. Additionally, more than one in five foreign-born residents are from Asia. The city is home to the nation's third-largest concentration of consular offices, representing 86 countries.
Document 2: Saigon Bridge: Saigon Bridge, known as Newport Bridge () before 1975, is a bridge crossing the Saigon River, connecting Bình Thạnh District and District 2, Ho Chi Minh City, on the Hanoi Highway. The bridge has four lanes for cars and two lanes for motorcycles and bicycles. It was the only bridge linking District 1 to the new Thu Thiem New Urban Area in District 2 until the Thủ Thiêm Bridge opened in 2008 and the Saigon River Tunnel opened in 2011. The bridge was one of the most vital gateways for vehicles traveling from northern and central Vietnam to the city, and therefore was a key point of contention during the Tet Offensive in 1968 and the Fall of Saigon in 1975. In 2013, a new parallel bridge, Saigon 2 Bridge, was opened to ease congestion on the bridge.
Document 3: Bình Hưng Hòa Cemetery: Binh Hung Hoa Cemetery () was formerly the largest cemetery in the urban area of Ho Chi Minh City. It was located in the suburban outskirts of the city but due to the rapid urbanization of Ho Chi Minh City, the urban area eventually eclipsed the cemetery. There are several illegal houses built in and around the cemetery, and an estimated 300,000 residents live among the tombs. In Vietnamese custom, the dead are often buried and therefore puts the pressure on land near the city, especially a large city like Ho Chi Minh City.
Document 4: Houston: The primary city airport is George Bush Intercontinental Airport (IAH), the tenth-busiest in the United States for total passengers, and twenty eighth-busiest worldwide. Bush Intercontinental currently ranks fourth in the United States for non-stop domestic and international service with 182 destinations. In 2006, the United States Department of Transportation named IAH the fastest-growing of the top ten airports in the United States. The Houston Air Route Traffic Control Center stands on the George Bush Intercontinental Airport grounds.
Document 5: Dầu Tiếng District: Dầu Tiếng is a rural district of Bình Dương Province in the Southeast region of Vietnam. As of 2003, the district had a population of 92,592. The district covers an area of 720 km². The district capital lies at Dầu Tiếng town.
Document 6: Mumbai: The Chhatrapati Shivaji International Airport (formerly Sahar International Airport) is the main aviation hub in the city and the second busiest airport in India in terms of passenger traffic. It handled 36.6 million passengers and 694,300 tonnes of cargo during FY 2014–2015. An upgrade plan was initiated in 2006, targeted at increasing the capacity of the airport to handle up to 40 million passengers annually and the new terminal T2 was opened in February 2014.The proposed Navi Mumbai International airport to be built in the Kopra-Panvel area has been sanctioned by the Indian Government and will help relieve the increasing traffic burden on the existing airport.The Juhu Aerodrome was India's first airport, and now hosts the Bombay Flying Club and a heliport operated by state-owned Pawan Hans.
Document 7: Tan Son Nhat International Airport: 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.
Document 8: Vietnamese Americans: In 2016 the U.S. Census Bureau estimated the total population of Vietnamese American was 2,067,527 (92.9% reporting one race, 6.5% reporting two races, 0.5% reporting three races, and 0.1% reporting four or more races). California and Texas had the highest concentrations of Vietnamese Americans: 40 and 12 percent, respectively. Other states with concentrations of Vietnamese Americans were Washington, Florida (four percent each) and Virginia (three percent). The largest number of Vietnamese outside Vietnam is in Orange County, California (184,153, or 6.1 percent of the county's population), followed by Los Angeles and Santa Clara counties; the three counties accounted for 26 percent of the Vietnamese immigrant population in the United States. Many Vietnamese American businesses exist in the Little Saigon of Westminster and Garden Grove, where Vietnamese Americans make up 40.2 and 27.7 percent of the population respectively. About 41 percent of the Vietnamese immigrant population lives in five major metropolitan areas: in descending order, Los Angeles, San Jose, Houston, San Francisco and Dallas - Fort Worth. The Vietnamese immigration pattern has shifted to other states, including Denver, Boston, Chicago, Oklahoma (Oklahoma City and Tulsa in particular) and Oregon (Portland in particular).
Document 9: Bình Tân District: Bình Tân is an urban district of Ho Chi Minh City, Vietnam, and is known as a large inner city of migrant workers. In 2010 the district had a population of 611,170, in total area of 52 km². The name is a combination of Bình Hưng Hoà, Bình Trị Đông and Tân Tạo.
Document 10: Bình Đại District: Bình Đại is a rural district of Bến Tre Province in the Mekong Delta region of Vietnam. As of 2003 the district had a population of 131,813, growing from 129,446 in 2001. The district covers an area of 381 km². The district capital lies at Bình Đại.
Document 11: Ho Chi Minh City: Ho Chi Minh City Thành phố Hồ Chí Minh Saigon or Sài Gòn Municipality Thành phố trực thuộc trung ương Clockwise, from left to right: Bến Thành Market, Ho Chi Minh City Hall, District 1 view from Saigon river, Municipal Theatre, Notre - Dame Cathedral Basilica of Saigon, Independence Palace Seal Nickname (s): Pearl of the Far East Location in Vietnam and Southern Vietnam Coordinates: 10 ° 46 ′ 36.8 ''N 106 ° 42 ′ 02.9'' E ﻿ / ﻿ 10.776889 ° N 106.700806 ° E ﻿ / 10.776889; 106.700806 Coordinates: 10 ° 46 ′ 36.8 ''N 106 ° 42 ′ 02.9'' E ﻿ / ﻿ 10.776889 ° N 106.700806 ° E ﻿ / 10.776889; 106.700806 Country Vietnam Central district District 1 Founded as Gia Định 1698 Renamed to Ho Chi Minh City 1976 Founded by Nguyễn Hữu Cảnh Divisions 19 Urban districts, 5 Suburban districts Government Type Special - class Secretary of Communist Party Nguyễn Thiện Nhân Chairman of People's Committee Nguyễn Thành Phong Chairman of People's Council Nguyễn Thị Quyết Tâm Area Total 2,096.56 km (809.23 sq mi) Elevation 19 m (63 ft) Population (2016) Total 8,426,100 Rank 1st Density 4,000 / km (10,000 / sq mi) GDP (PPP) (2015 estimate) Total US $127.8 billion Per capita US $15,977 GRDP (nominal) (2016) Total US $45.73 billion Per capita US $5,428 Time zone ICT (UTC + 07: 00) Area codes 8 (until 16 Jul 2017) 28 (from 17 Jun 2017) Website hochiminhcity.gov.vn
Document 12: Seoul: Incheon International Airport, opened in March 2001 in Yeongjong island, is now responsible for major international flights. Incheon International Airport is Asia's eighth busiest airport in terms of passengers, the world's fourth busiest airport by cargo traffic, and the world's eighth busiest airport in terms of international passengers in 2014. In 2016, 57,765,397 passengers used the airport.
Document 13: Bình Thạnh District: Bình Thạnh is a district of Ho Chi Minh City in Vietnam. , the district had a population of 490,618, a total area of 21 km².
Document 14: New Delhi: Indira Gandhi International Airport, situated to the southwest of Delhi, is the main gateway for the city's domestic and international civilian air traffic. In 2012-13, the airport was used by more than 35 million passengers, making it one of the busiest airports in South Asia. Terminal 3, which cost ₹96.8 billion (US$1.4 billion) to construct between 2007 and 2010, handles an additional 37 million passengers annually.
Document 15: Vietnam Airlines: 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 .
ground_truth: Tân Sơn Nhất International Airport
sub_queries: Bình Tân >> located in the administrative territorial entity Answer: Ho Chi Minh City
what is the name of the airport in Ho Chi Minh City Answer: Tân Sơn Nhất International Airport