Question: Which Chinese city is larger in population, Dazhou or Cangzhou?
Context: The Old City of Shanghai (; Shanghainese: "Zånhae Loh Senshian"), also formerly known as the Chinese city, is the traditional urban core of Shanghai, China.  Its boundary was formerly defined by a defensive wall.  The Old City was the county seat for the old county of Shanghai.  With the advent of foreign concessions in Shanghai, the Old City became just one part of Shanghai's urban core but continued for decades to be the seat of the Chinese authority in Shanghai.  Notable features include the City God Temple which is located in the center of the Old City and is connected to the Yuyuan Garden.  With the exception of two short sections, the walls were demolished in 1912, and a broad circular avenue built over the former wall and moat: the southern half was named the "Zhonghua Road" and the northern half the "Minguo Road" (together making up ""Zhonghua Minguo"", or "Republic of China" in Chinese).  (The northern half was renamed "Renmin Road" ("People's Road") in 1950 by the new Communist government of Shanghai). Liu Shouwen (劉守文) (died 910) was a warlord who ruled Yichang Circuit (義昌, headquartered in modern Cangzhou, Hebei) as its military governor ("Jiedushi") late in the Chinese dynasty Tang Dynasty and early during Tang's succeeding dynasty Later Liang.  He was a son of Liu Rengong the military governor of the larger Lulong Circuit (盧龍, headquartered in modern Beijing) and followed his father's orders.  After his father was overthrown and put under house arrest by his younger brother Liu Shouguang, he tried to attack Liu Shouguang, but was captured in battle and subsequently killed by his brother. This list of the twenty largest urban areas in China by population in 2010 uses data compiled by the OECD based on its methodology to determine economically linked areas of high population density in China it calls "functional urban areas."  It is an adaptation of methodology the OECD uses to determine functional urban areas in OECD member countries.  Official Chinese city boundaries cover both urban and rural areas and thus do not necessarily represent the true urban population. Cangzhou () is a prefecture-level city in eastern Hebei province, People's Republic of China.  At the 2010 census, Cangzhou's built-up ("or metro") area made of Yunhe, Xinhua districts and Cang County largely being conurbated had a population of 1,205,814 inhabitants, while the prefecture-level administrative unit in total has a population of 7,134,062.  It lies approximately 90 km from the major port city of Tianjin, and 180 km from Beijing. In the Name of People ( ) is a Chinese TV drama series.  Its plot revolves around a prosecutor's efforts to unearth corruption in a present-day fictional Chinese city.  It has drawn large audiences in China, where its release coincides with General Secretary Xi Jinping's leadership's anti-corruption campaign.  It is the first broadcast political drama featuring high-level government corruption in China since 2004.  The production received significant government funding from the Supreme People's Procuratorate, the highest agency responsible for both investigation and prosecution in the People's Republic of China.  The intervention from censors was much lighter due to the support of the authorities.  The series is considered by some western observers as the Chinese version of "House of Cards". The 2010 census put Shanghai's total population at 23,019,148, a growth of 37.53% from 16,737,734 in 2000.  20.6 million of the total population, or 89.3%, are urban, and 2.5 million (10.7％) are rural.  Based on population of total administrative area, Shanghai is the second largest of the four direct-controlled municipalities of China, behind Chongqing, but is generally considered the largest Chinese city because Chongqing's urban population is much smaller. Wangcheng was an ancient Chinese city located beside the ceremonial eastern capital of Luoyi during the Zhou dynasty.  It was constructed in 1021 BC on the model of the earlier and larger Chengzhou 15 km to its east.  It was the primary capital of the Eastern Zhou dynasty between 771 and 510 BC. Qu County or Quxian () is a county of Sichuan Province, China.  It is under the administration of Dazhou city.Quxian County is located in the southwest of Dazhou City, and Guang'an, Nanchong and Bazhong in the early Neolithic period linked mountains and rivers, and the land will have a human activity.  The Shang Dynasty established the capital in Cong people now Tu Xi Zhen Cheng Ba Cun, in 314 BC in Quxian County had set down, build county, state governance, the long history of Northeast Sichuan political economic and cultural center.  The people of Quxian County to create the "song", "bamboo" its color, pavilion, playing gongs, garden song, bamboo and other folk culture has unique artistic charm.  Six existing seven statues for national heritage, which ranked first in the country, the Chinese city of brick, dam sites of Han wells, Southern Song Dynasty City, Qing Dynasty etiquette majestic Confucious'temple architecture, Cong people Valley natural scenery is very attractive.  From ancient to modern times has attracted countless men of literature and writing to tourism, has bred the pre Qin early writers Juan crest and general Feng Gun, Shu Zhen Bei Han cavalry general Wang Ping, Dacheng extraordinary a large number of emperor Li Xiong of Song Dynasty, the scholars of Taiwan in the Qing Dynasty, Li zinc guard Lieutenant Wang Wan bang, prolific author of Hanlin Jia Bingzhong historical figures. Dazhou () is a prefecture-level city in the northeast corner of Sichuan province, China, bordering Shaanxi to the north and Chongqing to the east and south.  2002 population was 384,525. Daying County () is a county of Sichuan province, China, under the administration of Suining City and in the central part of the Sichuan Basin.  In 2002, it had a population of 520,000 residing in an area of 703 km2 .  Daying is remarkable for being the home of the "Chinese Dead Sea", a tourist attraction that is based on a salt lake with 9 times the salinity of the ocean and which constitutes the largest indoor water park in China.  The G42 Shanghai–Chengdu Expressway and Dazhou–Chengdu Railway (达成铁路) traverses east–west through the entire length of the county.
Answer: Cangzhou