Question: Which has more people, Tumen, Jilin or Xiangcheng City?

full_context: Document 1: Tonghua: Tonghua () is an industrial city in the south of Jilin province, People's Republic of China. It borders North Korea to the south and southeast, Baishan to the east, Jilin City to the north, Liaoyuan to the northwest, and Liaoning province to the west and southwest. Administratively, it is a prefecture-level city with a total population of 2,325,242 living in an area of 15195 km2 . Urban population is 506,877. It is known as one of the five medicine production centres in China.
Document 2: Tumen, Jilin: Tumen is a county-level city in Yanbian Korean Autonomous Prefecture, eastern Jilin province, Northeast China. Of its 136,000 inhabitants, approximately 78,000 (or 57%) are of Korean descent. The two official languages are Chinese and Korean. Tumen is separated from Namyang of North Hamgyong province of North Korea by the Tumen River. Due to this proximity, many North Koreans escaping their country pass through Tumen. Tumen is also the location of a large detention center for captured North Koreans awaiting deportation. Tumen has two major food markets, the South Market and the North Market, where most of the residents purchase their food. Packaged foods and meats are usually sold inside the building, and vegetables are sold outside. There are six elementary schools, with three Korean schools, and three Chinese schools.
Document 3: Tumen Border Bridge: The Tumen Border Bridge () is a bridge over the Tumen River, connecting Tumen City, Jilin Province, China, with Onsong County (Namyang), North Hamgyong Province, North Korea. It was built in 1941 by the Japanese and is 515 metres long, 6 metres high, 6 metres wide. Tumen Border Post is located there. A little upstream from the bridge is Tumen Border Railway Bridge.
Document 4: Korean diaspora: The Korean diaspora (South Korea: Hangul: 재외국민 ; RR: "Jaeoe gugmin "; lit. Overseas national or Hangul: 한국계 교민 ; Hanja: 韓國系 僑民 ; RR: "Hanguggye gyomin "; lit. Korean immigrants ; North Korea: Hangul: 해외국민 ; RR: "Haeoe gugmin "; lit. Overseas nation or Hangul: 한국계 동포 ; Hanja: 韓國系 同胞 ; RR: "Hanguggye dongpo "; lit. Korean compatriots ) consists of roughly seven million people, both descendants of early emigrants from the Korean Peninsula, as well as more recent emigres from Korea. Nearly four-fifths of expatriate Koreans live in just three countries: China, the United States, and Japan. Other countries with greater than 0.5% Korean minorities include Canada, Russia, Uzbekistan, Kazakhstan, Australia, Vietnam, and Philippines. All these figures include both permanent migrants and sojourners.
Document 5: Xinxiang: Xinxiang (; postal: Sinsiang) is a prefecture-level city in northern Henan province, inland eastern China.
Document 6: Shaanxi: Shaanxi () is a province of the People's Republic of China. Officially part of the Northwest China region, it lies in central China, bordering the provinces of Shanxi (NE, E), Henan (E), Hubei (SE), Chongqing (S), Sichuan (SW), Gansu (W), Ningxia (NW), and Inner Mongolia (N). It covers an area of over 205,000 sqkm with about 37 million people. Xi'an—which includes the sites of the former Chinese capitals Fenghao and Chang'an—is the provincial capital. Xianyang, which served as the Qin capital, is located nearby. The other prefecture-level cities into which the province is divided are Ankang, Baoji, Hanzhong, Shangluo, Tongchuan, Weinan, Yan'an and Yulin.
Document 7: Yanji: Yanji ("Yeon-gil" or "Yenji" in Korean, formerly romanized as Yenki) is a county-level city in the east of China's Jilin Province, and is the seat of the Yanbian Korean Autonomous Prefecture. Its population is approximately 400,000 of which a large portion is ethnic Korean. Yanji is a busy hub of transport and trade between China and North Korea.
Document 8: Hoeryong: Hoeryŏng (] ) is a city in North Hamgyŏng Province, North Korea. It is located opposite Jilin Province, China, with the Tumen River in between. Sanhe (三合鎮), in Longjing City, is the closest Chinese town across the river. Hoeryŏng is claimed to be the birthplace of Kim Il Sung's first wife and Kim Jong Il's mother, Kim Jong Suk. It was known as "Kainei" during Japanese rule.
Document 9: Xinzheng: Xinzheng () is a small county-level city of Zhengzhou in the south of Henan province of Central China. The city has a population of 600,000 people and covers an area of 15 km2 .
Document 10: Xinqiao, Xiangcheng City: Xinqiao () is a town under the administration of Xiangcheng City in southeastern Henan province, China, located less than 4 km north with the border with Anhui and 28 km south of downtown Xiangcheng. , it has 29 villages under its administration.
Document 11: Yanbian Korean Autonomous Prefecture: Yanbian (; Chinese Korean: 연변 , "Yeonbyeon") is an autonomous prefecture in northeastern Jilin Province, China. Yanbian is bordered to the north by Heilongjiang, on the west by Baishan and Jilin City, on the south by North Hamgyong Province of North Korea, and on the east by Primorsky Krai of Russia. Yanbian is designated as an autonomous prefecture due to the large number of ethnic Koreans living in the region. The prefectural capital is Yanji, and the total area is 42,700 km2 .
Document 12: Xinxiang County: Xinxiang County () is a county in Xinxiang, Henan Province, China (PRC). It's situated in the center of the northern Henan Plateau. The Taihang Mountains are to the north, and the Yellow River is to the south. The area is 365km2 with a population of 310,000 in 2002. The postal code is 453700. Hongqi (Redflag) District, Xinxiang City is the county seat.
Document 13: Shangqiu: Shangqiu (), formerly romanized as Shangkiu, is a city in eastern Henan province, Central China. It borders Kaifeng to the northwest, Zhoukou to the southwest, and the provinces of Shandong and Anhui to the northeast and southeast respectively. An ancient city with a rich history, Shangqiu was also the first capital of the Shang dynasty. Its population was 7,362,975 inhabitants at the 2010 census whom 1,536,392 lived in the built-up ("or metro") area made up of Liangyuan and Suiyang districts.
Document 14: Xiangcheng City: Xiangcheng (Simplified: 项城; Traditional: 項城; Pinyin: Xiàngchéng) is a county-level city in Zhoukou, Henan, People's Republic of China. It borders Shenqiu to the east, Shangcai to the west, Huaiyang to the north, Pingyu to the southeast, and the province of Anhui on all other sides. It has a population of 1,169,000.
Document 15: Hunchun: Hunchun is a county-level city in the Yanbian Korean Autonomous Prefecture, far eastern Jilin province, Northeast China. It borders North Korea (North Hamgyong province) and Russia (Primorsky Krai), has over 250,000 inhabitants, and covers 5,145 square kilometers. It was capital of Balhae/Bohai Kingdom between 785-793 as "Dongyang". The city's name Hunchun comes from the Manchu language meaning "borderland".
ground_truth: Xiangcheng