Question: Which city in China,  Qingzhen or Guang'an, is the more specific location in terms of the hierarchy of Chinese infrastructure?
Sentence (from "Qingzhen"): Qingzhen (Chinese: 清镇; Pinyin: Qīngzhèn) is a county-level city under the administration of Guiyang in Guizhou province, China.
Relevant evidence: Yes