Question: Which city is located farther south in China, Lingwu or Changsha?
Sentence (from "Changsha Huanghua International Airport"): Changsha Huanghua International Airport (IATA: CSX, ICAO: ZGHA) is the airport serving Changsha, Hunan province, China, as well as nearby cities such as Zhuzhou and Xiangtan.
Relevant evidence: No