Table:
text: 1933 Grand Prix season
Other Grands Prix
Other Grands Prix
Name_ Circuit Date_ Winning_driver Winning_constructor Report
Pau Grand Prix Pau 19 February Marcel Lehoux Bugatti Report
Swedish Winter Grand Prix Rämen 26 February Per-Viktor Widengren Alfa Romeo Report
Swedish Ice Race Hemfjärden 5 March Paul Pietsch Alfa Romeo Report
Tunis Grand Prix Carthage 26 March Tazio Nuvolari Alfa Romeo Report
Alessandria Circuit Alessandria 30 April Tazio Nuvolari Alfa Romeo Report
Tripoli Grand Prix Mellaha 7 May Achille Varzi Bugatti Report
Finnish Grand Prix Eläintarharata 7 May Karl Ebb Mercedes-Benz Report
Avusrennen AVUS 21 May Achille Varzi Bugatti Report
Picardy Grand Prix Péronne 21 May Philippe Étancelin Alfa Romeo Report

Question: Name the winning driver for the Avus race in the 1933 Grand Prix season. Other Grand Prix races. ?