Table:
text: 1946 Grand Prix season
Other Grands Prix
Other Grands Prix
Name_ Circuit Date_ Winning_driver Winning_constructor Report
Nantes Grand Prix Nantes 28 July Raph Maserati Report
Ulster Trophy Ballyclare 10 August Prince Bira ERA Report
Circuit des Trois Villes Lille 25 August Raymond Sommer Maserati Report
Circuit des Trois Villes Lille 25 August Henri Louveau Maserati Report
Milan Grand Prix Sempione Park 29 September Carlo Felice Trossi Alfa Romeo Report
Coupe du Salon Bois de Boulogne 6 October Raymond Sommer Maserati Report
Gávea Circuit Race Gávea 6 October Chico Landi Alfa Romeo Report
Penya Rhin Grand Prix Pedralbes 27 October Giorgio Pelassa Maserati Report
Boa Vista Grand Prix Rio de Janeiro 15 December Chico Landi Alfa Romeo Report

Question: Which driver won the 1946 Grand Prix season at the Rio de Janeiro circuit?