title: Aconcagua
context: Aconcagua (Spanish pronunciation:[akoŋˈkaɣwa]), with a summit elevation of 6,960.8 metres (22,837ft), is the highest mountain in both the Southern and Western Hemispheres.[1] It is located in the Andes mountain range, in the Mendoza Province, Argentina, and lies 112km (70mi) northwest of its capital, the city of Mendoza, about fivekm (3.1mi) from San Juan Province and 15km (9.3mi) from the international border with Chile. The mountain itself lies entirely within Argentina, immediately east of Argentina's border with Chile.[3] Its nearest higher neighbor is Tirich Mir in the Hindu Kush, 16,520 kilometres (10,270mi) away. It is one of the Seven Summits.
question: What is the tallest mountain in Argentina?
answers: Aconcagua