Question: ?Which city has more inhabitants Ordos City of Qiqihar ?

Context paragraphs:
Ordos Mongolian: Ordos Mongolian (also "Urdus"; Mongolian ᠣᠷᠳᠣᠰ ; Chinese 鄂尔多斯 "È'ěrduōsī") is a variety of Central Mongolic spoken in the Ordos City region in Inner Mongolia and historically by Ordos Mongols.  It is alternatively classified as a language within the Mongolic language family or as a dialect of the Central Mongolian Mongolian standard language.  Due to the research of Antoine Mostaert, the development of this dialect can be traced back 100 years.

Altanochir (1882–1949): Altanochir (1882–1949) was an Inner Mongolian prince, politician, and general under the Republic of China and Mengjiang governments.  He served as deputy head of Yeke-juu League (today Ordos City).  An ethnic Mongol, he was a native of Right-Wing Rear Banner, Ordos (today administered as Hanggin Banner, Ordos City).

Ordos International Circuit: Ordos International Circuit(Chinese:鄂尔多斯国际赛车场), built in 2010, is a motorsport facility located in Kangbashi New Area, Ordos City, Inner Mongolia, China.  It hosted a round of the China Touring Car Championship, Scirocco Cup China and Superleague Formula in 2010.  The circuit is 3.751 km long with 18 corners.

Ordos City: Ordos (Mongolian: Ордос қота "Ordos qota" ; ) is one of the twelve major subdivisions of Inner Mongolia, China.  It lies within the Ordos Loop of the Yellow River.  Although mainly rural, Ordos is administered as a prefecture-level city.  Its administrative seat is situated in Dongsheng which had a population of 582,544 inhabitants as of the 2010 census.  Another Banner is being urbanized quickly around the city of Ejin Horo with about 251,894 inhabitants at the 2010 census which is the seat of Ordos Airport.

2011 FIA GT1 Ordos round: The 2011 FIA GT1 Ordos round was an auto racing event held at the Ordos International Circuit, Ordos City, China on 2–4 September, and was the eighth round of the 2011 FIA GT1 World Championship season.  It was the FIA GT1 World Championship's first race held in China, as well as at the 3.751 km Ordos.  The event was supported by Formula Pilota, and the overall event was held under the title of the "Kangbashi Cup".

Harbin–Qiqihar Intercity Railway: Harbin–Qiqihar Intercity Railway, also known as Ha Qi Passenger Dedicated Line, is a high-speed railway located with in Heilongjiang province, China.  It will connect the provincial capital Harbin and the second largest city in the province of Qiqihar.  Total length of the railway is 286 km with a design speed 250–300 km/h.  It will travel from Harbin, via Suihua and Daqing, to Qiqihar.  On July 5, 2009 construction started and it is expected for construction to be completed by the end of 2014, to be opened to revenue traffic in 2015.  This line opened on August 17, 2015.

2010 Ordos Superleague Formula round: The 2010 Ordos Superleague Formula round was a Superleague Formula round held on October 3, 2010, at the newly built Ordos International Circuit, Ordos City, China.  It was Superleague Formula's first visit to China, and is followed the week after by a round through the streets of Beijing.  It was the tenth round of the 2010 Superleague Formula season.

Ordos Ejin Horo Airport: Ordos Ejin Horo Airport (IATA: DSN, ICAO: ZBDS) is an airport serving Ordos City in China's Inner Mongolia Autonomous Region.  It is located in Ejin Horo Banner.  First built in 1959 and called Dongsheng Airport, the airport ceased operation in 1983.  In 2005 the airport was rebuilt at the current site with an investment of 350 million yuan, and re-opened in July 2007.

Dalad Banner: Dalad Banner (Mongolian: ᠳᠠᠯᠠᠳ ᠬᠣᠰᠢᠭᠤ Далад қосиу "Dalad qosiɣu"; ) is a banner of western Inner Mongolia, People's Republic of China, lying on the southern (right) bank of the Yellow River.  It is under the administration of Ordos City, although it is closer to the city of Baotou, 33 km to the north-northwest.

Qiqihar: Qiqihar (; Manchu: "Cicigar" ᠴᡳᠴᡳᡤᠠᡵ ) is one of the 13 Larger Municipalities in China, and the second largest city in the Heilongjiang province, China.  The built-up ("or metro") area made up of Longsha, Tiefeng and Jianhua districts had 979,517 inhabitants, while the total population of the prefecture-level city was 5,367,003 at the 2010 census.  These are mainly Han Chinese, though the city is also home to thirty-four minorities including Manchu, Daur, and Mongolians.

Supporting paragraphs: Ordos City Qiqihar
Answer: Qiqihar