Question: What is the population of Nguyễn Thiên Nga's birthplace?

full_context: Document 1: Nguyễn Thiên Nga: Nguyễn Thiên Nga (born 1975 in Saigon) was crowned the 5th Miss Vietnam in 1996. At the time of the contest she was a second year student at the Foreign Trade University in Ho Chi Minh City. She also won the best answer award in the competition.
Document 2: 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 3: Dương Triệu Vũ: When he was 13 years old, he participated in the video recording Van Son 9 with the song "Killing Me Softly with His Song". While in high school, he regularly participated in school musical productions, and in year 11, he became the first Asian student at his high school to become the Vice President of the student body. He received various awards, including the United States Achievement Academy, American Legion Award, and was one of 70 students at the school to take the International Baccalaureate. During this time, he also performed with Fantasy, a popular band in Orlando.
Document 4: Hanoi: Hanoi has experienced a rapid construction boom recently. Skyscrapers, popping up in new urban areas, have dramatically changed the cityscape and have formed a modern skyline outside the old city. In 2015, Hanoi is ranked # 39 by Emporis in the list of world cities with most skyscrapers over 100 m; its two tallest buildings are Hanoi Landmark 72 Tower (336 m, second tallest in Vietnam after Ho Chi Minh City's Landmark 81 and third tallest in south-east Asia after Malaysia's Petronas Twin Towers) and Hanoi Lotte Center (272 m, also, third tallest in Vietnam).
Document 5: Clara Ng: During her childhood in Jakarta, Ng enjoyed reading and read at an advanced rate. After finishing her primary and secondary education in Indonesia, during which time she took up writing, Ng went to the United States to study at Ohio State University. After her graduation in 1997, she worked in the US for a year before returning to Indonesia to work at a shipping company. After three years working there, in which time she married and had two miscarriages, Ng quit to become a professional writer. Her first novel, "Tujuh Musim Setahun" ("Seven Seasons in a Year"; 2002), sold poorly, but her subsequent trilogy "Indiana Chronicle" was better received. Since then, she has released several novels, as well as numerous short stories (including one anthology) and twenty-one children's books, and some collections of fairytales.
Document 6: 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 7: 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 8: Ho Chi Minh City University of Foreign Languages and Information Technology: Ho Chi Minh City University of Foreign Languages and Information Technology ("abbreviation": HUFLIT) is a university located at 155 Su Van Hanh, District 10, Ho Chi Minh City, Vietnam. Date of foundation: October 26, 1994, according to Decision No. 616/Ttg by the Prime Minister of the Socialist Republic of Vietnam. HUFLIT is the first private University in Ho Chi Minh City and South Vietnam on the basis of former Saigon Foreign Languages and Information Technology School which is established in 1992.
Document 9: Lea Salonga: At age 18, she originated the lead role of Kim in the musical "Miss Saigon", first in the West End and then on Broadway, winning the Olivier and Theatre World Awards, and becoming the first Asian woman to win a Tony Award. Salonga is the first Filipino artist to sign with an international record label (Atlantic Records in 1993).
Document 10: 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 11: Nguyễn Lộc: In his younger years he trained in traditional Vietnamese martial arts. In 1938, grandmaster Nguyễn introduced his style "Vovinam" to the public. After a demonstration in 1939 in Hanoi, Vovinam quickly spread across the country, and internationally to the Vietnamese diaspora via France. However the French banned the movement in 1942.
Document 12: Museum of Vietnamese History: The Museum of Vietnamese History is located at 2 Nguyen Binh Khiem Street, Ben Nghe Ward, District 1, in Ho Chi Minh City, Vietnam. Formerly known as the Musée Blanchard de la Brosse, built by Auguste Delaval in 1926, and The National Museum of Viet Nam in Sai Gon, it received its current name in 1979. It is a museum showcasing Vietnam's history with exhibits from all periods. It should not be confused with the National Museum of Vietnamese History in Hanoi. The topics covered by the exhibits include the following:
Document 13: Nuraliza Osman: Nuraliza Osman grew up in Singapore and was a top student and scholar at the [Methodist Girls School] where she won many accolades and excelled academically. She then attended Victoria Junior College where she studied pre-medicine classes and French. Her studies in French took her to France where she studied briefly prior to attending university. She is described by her peers as a funny, lovely, independent and determined person who was well-loved. At Methodist Girls School and Victoria Junior College, she was known for her frank, honest and tomboyish image. Many were surprised at how feminine she became for the Miss Universe competition.
Document 14: Mei Ting: In 1996, Mei Ting was admitted into the prestige Central Academy of Drama in Beijing, Department of Acting. Among her classmates were Zhang Ziyi, Qin Hailu, Yuan Quan and Hu Jing, dubbed as the “Five Golden Flowers of the Class 1996". During her college years, she was already invited to act in a number of TV series. To everyone's surprise, the second year after her enrollment, she made a difficult decision to suspend her college study to dedicate herself fully to the appointed roles in a number of TV series.
Document 15: Miss USA 1956: Miss USA 1956, the fifth edition of Miss USA was held on July 18, 1956, at Long Beach Municipal Auditorium, Long Beach, California. They had 43 young ladies in the competition. Miss Iowa USA, Carol Morris, won the competition and later became Miss Universe. She became the first contestant from Iowa to win the Miss USA competition. She was crowned by Miss USA 1955, Carlene King Johnson of Vermont.
ground_truth: 8,426,100
sub_queries: Nguyen Thien Nga >> place of birth Answer: Ho Chi Minh City
what is the population of Ho Chi Minh City Answer: 8,426,100