title: Porcupine, North Dakota
paragraph_text: Porcupine is a census-designated place in Sioux County, North Dakota, United States. It lies only a few minutes' drive from the city of Selfridge. The community includes the headquarters of the Selfridge/Porcupine district.
title: Lambeau Field
paragraph_text: Lambeau Field is an outdoor athletic stadium in the north central United States, located in Green Bay, Wisconsin. The home field of the Green Bay Packers of the National Football League (NFL), it opened in 1957 as City Stadium, replacing the original City Stadium at East High School as the Packers' home field. Informally known as New City Stadium for its first eight seasons, it was renamed in August 1965 in memory of Packers founder, player, and long-time head coach, Curly Lambeau, who had died two months earlier.
title: Ghaziabad district, Uttar Pradesh
paragraph_text: Ghaziabad district (pronounced [ɣaːziːaːˈbaːd̪ ˈzɪlaː]) is a largely suburban district of Uttar Pradesh state in northern India of National Capital Region.  The city of Ghaziabad is the administrative headquarters of the district. This district is part of Meerut Division.  It has become a major bedroom community for Delhi.
title: Tang Siu-tong
paragraph_text: Tang Siu-tong, SBS, JP (born 26 September 1942 in Hong Kong), was a member of the Legislative Council of Hong Kong from 1992 to 2004. He is also a registered doctor in Yuen Long, Hong Kong.
title: New York City
paragraph_text: Many Fortune 500 corporations are headquartered in New York City, as are a large number of foreign corporations. One out of ten private sector jobs in the city is with a foreign company. New York City has been ranked first among cities across the globe in attracting capital, business, and tourists. This ability to attract foreign investment helped New York City top the FDi Magazine American Cities of the Future ranking for 2013.
title: Roman Catholic Diocese of San Luis
paragraph_text: The Roman Catholic Diocese of San Luis, is located in the city of San Luis, capital city of San Luis Province in the Cuyo region of Argentina.
title: History of Delhi
paragraph_text: The Indian capital city of Delhi has a long history, and has been an important political centre of India as the capital of several empires. Much of Delhi's ancient history finds no record and this may be regarded as a lost period of its history. Extensive coverage of Delhi's history begins with the onset of the Delhi Sultanate in the 12th century. Since then, Delhi has been the centre of a succession of mighty empires and powerful kingdoms, making Delhi one of the longest serving Capitals and one of the oldest inhabited cities in the world. It is considered to be a city built, destroyed and rebuilt several times, as outsiders who successfully invaded the Indian Subcontinent would ransack the existing capital city in Delhi, and those who came to conquer and stay would be so impressed by the city's strategic location as to make it their capital and rebuild it in their own way. The core of Delhi's tangible heritage is Hindu, Islamic (spanning over seven centuries of Islamic rule over the city) with expansive British - era architecture in Lutyens' Delhi dating to the British rule in India.
title: Nanjing
paragraph_text: Archaeological discovery shows that "Nanjing Man" lived in more than 500 thousand years ago. Zun, a kind of wine vessel, was found to exist in Beiyinyangying culture of Nanjing in about 5000 years ago. In the late period of Shang dynasty, Taibo of Zhou came to Jiangnan and established Wu state, and the first stop is in Nanjing area according to some historians based on discoveries in Taowu and Hushu culture. According to legend,[which?] Fuchai, King of the State of Wu, founded a fort named Yecheng (冶城) in today's Nanjing area in 495 BC. Later in 473 BC, the State of Yue conquered Wu and constructed the fort of Yuecheng (越城) on the outskirts of the present-day Zhonghua Gate. In 333 BC, after eliminating the State of Yue, the State of Chu built Jinling Yi (金陵邑) in the western part of present-day Nanjing. It was renamed Moling (秣陵) during reign of Qin Shi Huang. Since then, the city experienced destruction and renewal many times.[citation needed] The area was successively part of Kuaiji, Zhang and Danyang prefectures in Qin and Han dynasty, and part of Yangzhou region which was established as the nation's 13 supervisory and administrative regions in the 5th year of Yuanfeng in Han dynasty (106 BC). Nanjing was later the capital city of Danyang Prefecture, and had been the capital city of Yangzhou for about 400 years from late Han to early Tang.
title: Xexéu
paragraph_text: Xexéu is a city in Pernambuco, Brazil. It is located in Zona da mata Pernambucana from the state capital Recife.
title: John Deere World Headquarters
paragraph_text: The John Deere World Headquarters is a complex of four buildings located on 1,400 acres (5.7 km²) of land at One John Deere Place, Moline, Illinois, United States. The complex serves as corporate headquarters for John Deere.
title: Changji
paragraph_text: Changji is a county-level city situated about west of the regional capital, Ürümqi in northern Xinjiang, China, and has about 390,000 inhabitants. It is the seat of Changji Hui Autonomous Prefecture. At the northeast corner of the modern city are the walls and other archaeological remains of the Tang dynasty city, usually referred to as Ancient Changji.
title: Yaxing Coach
paragraph_text: Yaxing Coach (Yangzhou Yaxing Motor Coach Co., Ltd) is a bus manufacturer based in Yangzhou, Jiangsu, China. It is a subsidiary of Jiangsu Yaxing that was founded in 1998. Buses are produced under the "Yaxing", "Yangtse（Yangzlv）", and more recently Asiastar brands.
title: Dunbar Hospital
paragraph_text: The Dunbar Hospital was the first hospital for the black community in Detroit, Michigan. It is located at 580 Frederick Street, and is currently the administrative headquarters of the Detroit Medical Society. It was listed on the National Register of Historic Places in 1979.
title: Kathmandu
paragraph_text: Kathmandu(/ˌkɑːtmɑːnˈduː/; Nepali pronunciation: [kɑʈʰmɑɳɖu]) is the capital and largest municipality of Nepal. It also hosts the headquarters of the South Asian Association for Regional Cooperation (SAARC). It is the only city of Nepal with the administrative status of Mahanagar (Metropolitan City), as compared to Upa-Mahanagar (Sub-Metropolitan City) or Nagar (City). Kathmandu is the core of Nepal's largest urban agglomeration located in the Kathmandu Valley consisting of Lalitpur, Kirtipur, Madhyapur Thimi, Bhaktapur and a number of smaller communities. Kathmandu is also known informally as "KTM" or the "tri-city". According to the 2011 census, Kathmandu Metropolitan City has a population of 975,453 and measures 49.45 km2 (19.09 sq mi).
title: Mouloud
paragraph_text: Mouloud () is a town located in the southern Dikhil region of Djibouti. It is located around 102 kilometers south of the capital, Djibouti City.
title: Yang Meng
paragraph_text: Yang Meng was the third son of Yang Xingmi, a major warlord at the end of Tang Dynasty as the military governor ("Jiedushi") of Huainan Circuit (淮南, headquartered in modern Yangzhou, Jiangsu). It is not known when he was born, although his immediately older brother Yang Longyan was born in 897 and his immediately younger brother Yang Pu was born in 900, placing a timeframe on his birth date. His mother's name was not recorded in history.
title: Corus Quay
paragraph_text: Corus Quay, originally named First Waterfront Place, is an eight-storey commercial office tower located on a waterfront site in Toronto, Ontario, Canada. The building is the first major development planned for the East Bayfront district, and completed construction at the foot of Jarvis Street. Corus Quay is Corus Entertainment's new Toronto headquarters, consolidating its 10 locations and 1,200 employees into one site. The building was being developed by the Toronto Economic Development Corporation (TEDCO), a city agency. Funding for the project came from TEDCO's equity, city loans and a million contribution from the city contributed via Waterfront Toronto.
title: List of capitals in Pakistan
paragraph_text: Islamabad officially became the capital of Pakistan on 14 August 1967, exactly 20 years after the country's independence. Previously, Rawalpindi was the capital, designated in 1958. The first capital of Pakistan was the coastal city of Karachi, which was selected by Muhammad Ali Jinnah. Karachi was and still is the largest city and economic capital of Pakistan. It remained the seat of government until 1959, when the military president, Ayub Khan, decided to build a new capital in the north of Pakistan, near the general headquarters of the Pakistani Armed Forces at Rawalpindi.
title: Speed Angels
paragraph_text: Taxi driver Xiaoyi (Tang Wei) is discovered by a race car coach and becomes a member of the racing team Speed Angels.
title: Tang Jinhua
paragraph_text: Tang Jinhua (; born 8 January 1992 in Nanjing) is a Chinese female badminton doubles player who competes at the highest level for some years now. She won the women's and mixed doubles categories with different partners, Tang graduated from Hunan University.

Question: How long had the place of birth of Tang Jinhua been the capital city of the Yaxing Coach headquarters location?

Question decomposition:
question: Yaxing Coach >> headquarters location
answer: Yangzhou
question: Tang Jinhua >> place of birth
answer: Nanjing
question: How long had #2 been the capital city of #1 ?
answer: about 400 years

Answer: about 400 years