Question: The 1957 1000 km Buenos Aires took place on 20 January, on the Circuito de la Costanera Norte, for this event, was moved from its previous venue, the Autódromo Municipal-Avenida Paz, a 45,000 capacity motor racing circuit in Buenos Aires, Argentina built in which year?
Sentence (from "1957 1000 km Buenos Aires"): It was the fourth running of the race, and once again, it was opening round of the F.I.A. World Sports Car Championship.
Relevant evidence: No