Table: 1938 grand prix season
[['name', 'circuit', 'date', 'winning driver', 'winning constructor', 'report'], ['pau grand prix', 'pau', '10 april', 'rené dreyfus', 'delahaye', 'report'], ['campbell trophy', 'brooklands', '18 april', 'prince bira', 'era', 'report'], ['cork grand prix', 'carrigrohane', '23 april', 'rené dreyfus', 'delahaye', 'report'], ['tripoli grand prix', 'mellaha', '15 may', 'hermann lang', 'mercedes - benz', 'report'], ['gávea nacional circuit', 'gávea', '29 may', 'arthur nascimento jr', 'alfa romeo', 'report'], ['grand prix des frontières', 'chimay', '5 june', 'maurice trintignant', 'bugatti', 'report'], ['rio de janeiro grand prix', 'gávea', '12 june', 'carlo maria pintacuda', 'alfa romeo', 'report'], ['coppa ciano', 'montenero', '7 august', 'hermann lang', 'mercedes - benz', 'report'], ['coppa acerbo', 'pescara', '15 august', 'rudolf caracciola', 'mercedes - benz', 'report'], ['junior car club 200 mile race', 'brooklands', '27 august', 'johnny wakefield', 'era', 'report'], ['mountain championship', 'brooklands', '15 october', 'raymond mays', 'era', 'report'], ['donington grand prix', 'donington park', '22 october', 'tazio nuvolari', 'auto union', 'report']]
Statement: more Race were held in April and August than any other month with 3 in each month
Statement: Brooklands was the highest occurring Circuit with 3 Race on the Circuit
Statement: Mercedes - Benz , and Era both were the Winning Constructor 3 time , more than any other constructer
Statement: Hermann Lang , and René Dreyfus were the only Driver to finish with more than a single win
Statement: Bugatti , Auto Union , and Alfa Romeo were the only Constructor to win a single Race