What is the name of a district of Buenos Aires, Argentina and the southernmost barrio in Capital Federal, and contains the Autódromo Juan y Oscar Gálvez, home of the Argentine Grand Prix, a round of the Formula One championship?
Villa Riachuelo: Villa Riachuelo is a "barrio" (district) of Buenos Aires, Argentina. Villa Riachuelo:  It is the southernmost barrio in Capital Federal, and contains the Autódromo Juan y Oscar Gálvez, home of the Argentine Grand Prix until 1998.
i don't know