Question: Which mountain has a summit as a tripoint of a territory controlled by India, China, and Pakistan: Sia Kangri or Gasherbrum III?
Sentence (from "Gasherbrum III"): Gasherbrum III (Urdu: گاشر برم -3‎ ; ), surveyed as K3a, is a summit in the Gasherbrum massif of the Baltoro Muztagh, a subrange of the Karakoram on the border between Xinjiang, China and Gilgit-Baltistan, Pakistan.
Relevant evidence: Yes