Question: What prefecture-level city has its administrative center located at Hailar District, Qingyang or Hulunbuir?
Sentence (from "Evenk Autonomous Banner"): Dayan Town(大雁镇),which used to be Dayan Mining Area(大雁矿区) as an administrative division and is now the main part of an industrial district also named Dayan Mining Area(大雁矿区),has the largest population of about 73,000 in Evenk Autonomous Banner.
Relevant evidence: No