Question: When was the swimming events at the 2014 South American Games held in Estadio Nacional Julio Martínez Prádanos?
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