Question: Suining and Guang'an, are both cities, in which province in Southwest China?
Context: The Deng Xiaoping's Former Residence () built in the late Qing Dynasty, it is located in Paifang Village of Xiexing Town, Guang'an District, Guang'an City, Sichuan Province, in the People's Republic of China.  It has a building area of about 833.4 square meters, embodies buildings such as the old houses (故居老屋 ), the statue of Deng Xiaoping (邓小平铜像 ), the Dezheng Place (德政坊 ), the Cultural relics Exhibition Hall (文物展览馆 ), the Hanlin Yard (翰林院子 ). Suining County () is a county in the Province of Hunan, China, it is under the administration of Shaoyang City.  Located in the southwest of the province, the county is bordered to the north by Dongkou County, to the west by Huitong and Jingzhou Counties, to the southwest by Tongdao County, to the southeast by Chengbu County, to the east by Wugang City.  Suining County covers 2,917 km2 , as of 2015, it had a registered population of 387,800 and a permanent resident population of 356,800.  The county has 9 towns and 8 townships under its jurisdiction, the county seat is Zhushatang (长铺镇朱砂塘社区). Suining Railway Station is a railway station located in Sichuan Province, People's Republic of China, on the Suiyu Railway(Suining–Chongqing Railway) which operated by China Railway Corporation. Suining is a prefecture-level city of eastern Sichuan province in Southwest China. Qianfeng District () is a district of the prefecture-level city of Guang'an in Sichuan province, China.  It was created in February 2013 by splitting off a subdistrict, seven towns and five townships from Guang'an District.  It governs an area of more than 500 km2 .  The seat of the district is at Qianfeng Town. Dazhou–Chengdu Railway or Dacheng Railway (), is a double-track, electrified railroad in Sichuan Province of southwest China.  The railway is named after its two terminal cities Chengdu and Dazhou.  The line has a total length of 403 km and opened in 1997.  Other cities and towns along the route include Suining and Nanchong.  The line is owned and operated by the Dacheng Railway Company Limited, a 70-30 joint venture between the Ministry of Railways and Sichuan Provincial Government. Suining (; Sichuanese Pinyin: Xunin; Sichuanese pronunciation: ; ) is a prefecture-level city of eastern Sichuan province in Southwest China.  In 2002, Suining had a population of 658,798. Guang'an () is a prefecture-level city in eastern Sichuan province.  It is most famous as the birthplace of China's former paramount leader Deng Xiaoping.  Guang'an lies between the hills of central Sichuan and the gorges area of the east.Guang'an is the only "Sichuan Chongqing Cooperation Demonstration Zone" in Sichuan and the nearest prefecture level city from the main city of Chongqing.  It has been incorporated into the 1 hour economic circle of Chongqing.Because of its strategic location, it is called the "Gateway to Eastern Sichuan". Its population in 2014 was 3,231,600. The Nanning–Kunming Railway, or Nankun Railway (), is a single-track electrified railroad in Southwest China between Nanning and Kunming, provincial capitals, respectively, of Guangxi Zhuang Autonomous Region and Yunnan Province.  The railway was built from December 24, 1990 to March 18, 1997 and has a total length of 898.7 km , including the main line of 863.04 km between Nanning and Kunming and a branch line from Weishe Township of Xingyi City to Hongguo Township of Liupanshui municipality, in Guizhou province.  The Nankun Railway is a major rail conduit in Southwest China.  Major cities and towns along route include Nanning, Baise, Xingyi, Luoping and Kunming. Huilong () is a town of Anju District, Suining, Sichuan, People's Republic of China, situated 14 km southwest of downtown Suining.  , it has one residential community (社区) and 17 villages under its administration.
Answer: Sichuan