Question: Which mountain, Muztagh Tower or K2,  is the highest point of the Karakoram range and the highest point in both Pakistan and Xinjiang?
Sentence (from "Muztagh Tower"): Muztagh Tower (also: Mustagh Tower; "Muztagh": ice tower), is a mountain in the Baltoro Muztagh, part of the Karakoram range in Baltistan on the border of the Gilgit–Baltistan region of Pakistan and the Xinjiang Uyghur Autonomous Region of China.
Relevant evidence: Yes