Table:
text: Buenos Aires Grand Prix (motor racing)
Results
Results
Year_ Circuit Winning_drivers Winning_constructor Regulations Report
1949 Palermo Óscar Alfredo Gálvez Alfa Romeo 308 Formula Libre Report
1949 Palermo Alberto Ascari Ferrari 166 FL Formula Libre Report
1950 Palermo Luigi Villoresi Ferrari 166 FL Formula Libre Report
1951 Circuito de la Costanera Norte José Froilán González Ferrari 166 FL Formula Libre Report
1951 Circuito de la Costanera Norte John Fitch Allard J2 - Cadillac Formula Libre Report
1952 Autódromo Juan y Óscar Gálvez Juan Manuel Fangio Ferrari 166 FL Formula Libre Report
1953 Autódromo Juan y Óscar Gálvez Nino Farina Ferrari 500 Formula Two Report
1954 Autódromo Juan y Óscar Gálvez Maurice Trintignant Ferrari 625 Formula One Report

Question: What was the last year the Ferrari 166 FL was the winning Constructor at the Buenos Aires Grand Prix (auto racing)?