Question: Which has a greater area, Nanchong or Linzhou, Henan?
Context: The Shanxi–Henan–Shandong Railway () or the Jinyulu Railway, also known as the Shanxi South Central Railway or the Watang–Rizhao Railway, is an electrified double-track heavy freight railway across northern China.  The line runs 1260 km from the village of Watang in Lüliang, Shanxi Province to the port of Rizhao in Shandong Province, and is named after the three provinces through which it passes Jin (Shanxi), Yu (Henan) and Lu (Shandong).  The line is the world's longest heavy freight railway and is designed to facilitate the export of coal from Shanxi to overseas markets.  The line can accommodate train speeds of up to 120 km/h .  Cities along route include Lüliang, Liulin, Hongdong, Changzhi and Pingshun in Shanxi; Linzhou, Anyang, Tangyin, Puyang, Hebi, Fan County and Taiqian County in Henan; Liangshan County, Dongping, Ningyang, Xintai, Laiwu, Yiyuan, Yishui, Ju County, Junan and Rizhao in Shandong.  The line was built from 2010 to 2014 and operations began on December 30, 2014. Arbroath Infirmary is a hospital serving the town of Arbroath and the greater area of Angus, Scotland.  Arbroath has a population of over 36,000 and the greater area served is over 60,000.  The hospital is situated at the top of Rosemount Road and is part of NHS Tayside.  It is separated into two wings.  The Queen Mother wing hosts the maternity, minor injuries unit and outpatient department.  The main wing consists of the medical unit with a female and a male medical ward, a physiotherapy gym and the X-ray department.  There is also a kitchen in the main wing with a dining room.  The operating theatre is no longer in use but is located in the main wing.  There is no accident and emergency department in this hospital. The Huan River (), or Anyang River (安阳河), is a river in Henan, China, and part of the Hai River basin.  The river rises north of Linzhou in northwestern Henan, and joins the Wei River near Neihuang in the northeast of the province. WCBC is an AM radio station that serves the greater area of Cumberland, Maryland.  Founded in April, 1976, WCBC provides news coverage: locally, regionally, and nationally; weather forecasts; participation in major community events to promote the area and its organizations by way of remote broadcasts and community service announcements. Wan Da () (October 1918 – August 7, 2002) was a People's Republic of China politician.  He was born in Linzhou, Henan.  He was People's Congress Chairman of Hunan. Nanchong (; Sichuanese: lancong; ) is a prefecture-level city in the northeast of Sichuan province, China, with an area of 12479.96 km2 , and at the 2010 census was home to 6,278,614 people, of whom 1,858,875 lived in the built-up ("or metro") area made of 3 urban districts.  It is the second most populated city of Sichuan Province, only after Chengdu.  The administrative center is Shunqing District. A metropolitan area, sometimes referred to as a metro area, greater area, commuter belt or conurbation, is a region consisting of a densely populated urban core and its less-populated surrounding territories, sharing industry, infrastructure, and housing. New Town Road is a link road that connects Elizabeth Street to the Main Road within the greater area of Hobart, Tasmania.  This road has seen less usage since the construction of the Brooker Highway which allows traffic to move directly to the main road and onto the northern area of the state. Linzhou (), formerly Lin County (林县), is a county-level city in Anyang, Henan, China.  Adjacent to Shanxi Province and Hebei Province, it is located in the north of Henan Province and at the eastern foot of the Taihang Mountains.  It covers an area of 2046 square kilometers and has a population of about one million. Vanga (vɑːɳɢ/ə/) is a city in Bandundu Province in the Democratic Republic of the Congo, approximately 340 km east of the capital city Kinshasa.  Vanga is in the Kwilu District in the Bulungu Territory.  Vanga is known for its large medical center that supports the greater Bandundu region.  The greater area is considered a "citè" surrounding the hospital.
Answer: Nanchong