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 "Piz Bernina"): It is also the most easterly mountain higher than 4,000 m in the Alps, the highest point of the Swiss canton of Graubünden, and the fifth-most prominent peak in the Alps.
Relevant evidence: No