Question: The final stretch of the 2015 Chilean telethon was held at a stadium that has an official capacity of how much?
Sentence (from "Estadio Nacional Julio Martínez Prádanos"): It is part of a 62 hectare sporting complex which also features tennis courts, an aquatics center, a modern gymnasium, a velodrome, a BMX circuit, and an assistant ground/warmup athletics track.
Relevant evidence: No