Question: What Circuit has a Winning constructor of Bugatti, and a Winning driver of Edward Bret?
SQL: SELECT "Circuit" FROM "2-18279844-2" WHERE "Winning constructor" = 'Bugatti' AND "Winning driver" = 'Edward Bret';

Question: What Circuit has a Date of 25 July?
SQL: SELECT "Circuit" FROM "2-18279844-2" WHERE "Date" = '25 July';

Question: What Date has a Name of Thuin Circuit?
SQL: SELECT "Date" FROM "2-18279844-2" WHERE "Name" = 'Thuin Circuit';

Question: What Name has a Winning constructor of Bugatti, and a Winning driver of Louis Chiron?
SQL: SELECT "Name" FROM "2-18279844-2" WHERE "Winning constructor" = 'Bugatti' AND "Winning driver" = 'Louis Chiron';

Question: What Winning driver has a Name of Mugello Circuit?
SQL: SELECT "Winning driver" FROM "2-18279844-2" WHERE "Name" = 'Mugello Circuit';

Question: What Winning driver has a Winning constructor of Talbot?
SQL: SELECT "Winning driver" FROM "2-18279844-2" WHERE "Winning constructor" = 'Talbot';