original question: Which Chinese autonomous county has the designated minority of [Derung people]?
answer: gongshan derung and nu autonomous county
answer type: Chinese autonomous county.
auxiliary information: The Derung people are an ethnic group. They form one of the 56 ethnic groups officially recognized by the China. Their population of 6,000 is found in the Nujiang Lisu Autonomous Prefecture of Yunnan in the Derung Valley of Gongshan Derung and Nu Autonomous County. Another 600 can be found east of the Dulong valley, living in the mountains above the Nu River near the village of Binzhongluo in northern Gongshan Derung and Nu Autonomous County.
What is the name of the  Chinese autonomous county that has the designated minority of [Derung people]?