Question: In the circuit of Madonie, what was the date that had the winning constructor Bugatti?
SQL: SELECT "Date" FROM "2-12579630-2" WHERE "Circuit" = 'Madonie' AND "Winning constructor" = 'Bugatti';

Question: Who was the winning driver of the Savio Circuit with the constructor Itala?
SQL: SELECT "Winning driver" FROM "2-12579630-2" WHERE "Winning constructor" = 'Itala' AND "Name" = 'Savio Circuit';