original question: Which chinese ethnic group lives in the autonomous counties or banners of [Hekou Yao Autonomous County]?
answer: yao people
answer type: Chinese ethnic group.
auxiliary information: The Hekou Yao Autonomous County is an autonomous county in the southern part of the Yunnan province of China. It is part of the Honghe Hani and Yi Autonomous Prefecture and borders the northern Vietnamese town of L√†o Cai. It was apparently known as Zhongcheng in the Tang dynasty.
[Hekou Yao Autonomous County] has counties or banners that is the place in which what Chinese ethnic group lives?