[['name', 'circuit', 'date', 'winning driver', 'winning constructor', 'report'], ['tunis grand prix', 'carthage', '29 march', 'achille varzi', 'bugatti', 'report'], ["circuit d'esterel plage", 'saint - raphaël', '6 april', 'philippe étancelin', 'bugatti', 'report'], ['monaco grand prix', 'monaco', '19 april', 'louis chiron', 'bugatti', 'report'], ['circuito di alessandria', 'alessandria', '26 april', 'achille varzi', 'bugatti', 'report'], ['targa florio', 'madonie', '10 may', 'tazio nuvolari', 'alfa romeo', 'report'], ['picardy grand prix', 'péronne', '10 may', 'ivernel', 'bugatti', 'report'], ['casablanca grand prix', 'anfa circuit', '17 may', 'stanislas czaykowski', 'bugatti', 'report'], ['geneva grand prix', 'meyrin', '7 june', 'marcel lehoux', 'bugatti', 'report'], ['rome grand prix', 'littorio', '7 june', 'ernesto maserati', 'maserati', 'report'], ['lviv grand prix', 'lviv', '7 june', 'hans stuck', 'mercedes - benz', 'report'], ['eifelrennen', 'nürburgring', '7 june', 'rudolf caracciola', 'mercedes - benz', 'report'], ['grand prix de la marne', 'reims', '5 july', 'marcel lehoux', 'bugatti', 'report'], ['circuit du vaucluse', 'avignon', '5 july', 'frédéric toselli', 'bugatti', 'report'], ['german grand prix', 'nürburgring', '19 july', 'rudolf caracciola', 'mercedes - benz', 'report'], ['dieppe grand prix', 'dieppe', '26 july', 'philippe étancelin', 'alfa romeo', 'report'], ['coppa ciano', 'montenero', '2 august', 'tazio nuvolari', 'alfa romeo', 'report'], ['avusrennen', 'avus', '2 august', 'rudolf caracciola', 'mercedes - benz', 'report'], ['circuit du dauphiné', 'grenoble', '2 august', 'philippe étancelin', 'alfa romeo', 'report'], ['grand prix du comminges', 'saint - gaudens', '16 august', 'philippe étancelin', 'alfa romeo', 'report'], ['coppa acerbo', 'pescara', '16 august', 'giuseppe campari', 'alfa romeo', 'report'], ['monza grand prix', 'monza', '6 september', 'luigi fagioli', 'maserati', 'report'], ['la baule grand prix', 'la baule', '13 september', 'william grover - williams', 'bugatti', 'report'], ['masaryk grand prix', 'brno', '27 september', 'louis chiron', 'bugatti', 'report'], ['brignoles grand prix', 'brignoles', '27 september', 'rené dreyfus', 'bugatti', 'report'], ['mountain championship', 'brooklands', '17 october', 'henry birkin', 'maserati', 'report']]
both of the race that were run on 27 September were won with Bugatti as the Winning contractor
both of the race that were run on [ENT] were won with [ENT] as the [ENT] contractor