Question: What was is the largest stadium in Argentina that some of the group matches of the 1978 FIFA World Cup were played in?
Sentence (from "Estadio Monumental Antonio Vespucio Liberti"): Estadio Antonio Vespucio Liberti (] ), also referred to as River Plate Stadium, Monumental de Núñez or simply El Monumental, is a stadium in the Núñez district of Buenos Aires, Argentina, home of the football club River Plate.
Relevant evidence: Yes