Question: What country does Shayang County and Mengzhou have in common?

full_context: Document 1: Shayang County: Shayang () is a county of west-central Hubei province, People's Republic of China. Administratively, it is part of the prefecture-level city of Jingmen. The county is located south of the Jingmen city proper, west of the Han River, and north of the Chang Lake ("Chang Hu").
Document 2: Shawo Township, Hubei: Shawo Township () is a township of Echeng District, Ezhou, Hubei, People's Republic of China, located 5 km south of the Yangtze River and almost twice that southeast of downtown Ezhou. , it has 11 villages under its administration.
Document 3: Langzhong: Langzhong is a county-level city in northeastern Sichuan, China, located on the middle reaches of the Jialing River. It is administered as part of the prefecture-level city of Nanchong. Langzhong has a total population of 840,000, with 200,000 residing in the urban area.
Document 4: Mengzhou: Mengzhou () is a County-level city in Henan province, People's Republic of China. It is administered by the prefecture-level city Jiaozuo. Its population in 1999 stood at 341,190.
Document 5: Miluo City: Miluo () is a county-level city in Hunan province, China, it is under the administration of Yueyang Profecture-level City. The city is located on the northeast of the province and on the eastern bank of the Xiang River, it is to the north of the city proper of Changsha City. Miluo is bordered to the north by Yueyang County, to the east by Pingxiang County, to the south by Changsha County and Wangcheng District of Changsha City, to the west by Xiangyin County and Yuanjiang City. Miluo covers an area of 1,669.8 km2 , as of 2015, it had a permanent resident population of 668,156. The city has 3 subdistricts and 10 towns under its jurisdiction. the government seat is Guiyi (归义镇).
Document 6: Gujiao: Gujiao () is a county-level city in Shanxi province, People's Republic of China. It is administered by the prefecture-level city Taiyuan. Gujiao's population in 1990 stood at 173,022. Its estimated current population is 210,000.
Document 7: Wuchang District: Wuchang District () forms part of the urban core of and is one of 13 districts of Wuhan, the capital of Hubei province, China. It was one of three cities that merged into modern-day Wuhan, and stood on the right (southeastern) bank of the Yangtze River, opposite the mouth of the Han River. The two other twin cities, Hanyang and Hankou, were on the left (northwestern) bank, separated from each other by the Han.
Document 8: Taoyuan County: Taoyuan County () is under the administration of Changde, Hunan province, China. The Yuan River, a tributary of the Yangtze, flows through Taoyuan. It covers an area of 4441 square kilometers, of which 895 km2 is arable land. It is 229 km from Zhangjiang Town, the county seat, to Changsha, the capital city of Hunan province. The county occupies the southwestern corner of Changde City and borders the prefecture-level cities of Zhangjiajie to the northwest and Huaihua to the southwest.
Document 9: Xiangyang: Xiangyang () is a prefecture-level city in northwestern Hubei province, People's Republic of China. It was known as Xiangfan () until December 2, 2010. Xiangyang is divided by the Han River, which runs through its heart and divides the city north-south. The city itself is an incorporation of two once separate, ancient cities: Fancheng and Xiangzhou. What remains of old Xianyang is located south of the Han River and contains one of the oldest still-intact city walls in China while Fancheng was located to the north of the Han River. Both cities served prominent historical roles in both the Ancient and Pre-Modern Periods of Chinese history. Today, the city is, after the capital Wuhan, the second largest in the province, located about halfway between Wuhan and Xi'an. It is considered one of the third tier cities in China and has been a target of government and private investment as the country seeks to urbanize and develop the interior provinces.
Document 10: Wuxue: Wuxue (), formerly Guangji County (广济县), is a county-level city on the north shore of the Yangtze River in eastern Hubei province, People's Republic of China. Wuxue falls under the administration of Huanggang (黃冈) Municipality.
Document 11: 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 12: Dingzhou: Dingzhou (), formerly Dingxian ( postal: Tingsien) is a county-level city with sub-prefecture-level city status, located under the administration of the prefecture-level city of Baoding in the southwest of Hebei Province in northern China, about halfway between Baoding and Shijiazhuang. As of 2009, Dingzhou had a population of 1.2 million. Dingzhou has 3 subdistricts, 13 towns, 8 townships, and 1 ethnic township. Dingzhou is 196 km southwest of Beijing, 68 km northeast of Shijiazhuang.
Document 13: Meizhou: Meizhou is a prefecture-level city in eastern Guangdong province, China. It has an area of 15864.51 km² , and a population of 4.33 million at the 2010 census. It comprises Meijiang District, Meixian District, Xingning City and five counties. Its built-up or metro area made up of two districts was home to 935,516 inhabitants at the 2010 census.
Document 14: Mengzi City: Mengzi () is a city in the southeast of Yunnan province, People's Republic of China. Administratively, it is a county-level city and the seat of the Honghe Hani and Yi Autonomous Prefecture, located about 175 km south-southeast of the provincial capital of Kunming. It is situated in the centre of a fertile valley basin on a plateau 1000 m above sea level. Mengzi was formerly Mengzi County (蒙自县 ) until October 2010, when it was upgraded to a county-level city.
Document 15: Shaoyang: Shaoyang () is a prefecture-level city in southwestern Hunan province, People's Republic of China, bordering Guangxi to the south. Shaoyang has a history of 2500 years and remains an important commercial and transportation city in Hunan. It has a city area and 8 suburban counties, with a population of 7.6 million, the largest in Hunan province.
ground_truth: China