Question: What Winning constructor has a Circuit of Lasarte?
SQL: SELECT "Winning constructor" FROM "2-18278061-2" WHERE "Circuit" = 'Lasarte';

Question: What Date has a Winning driver of Ugo Sivocci?
SQL: SELECT "Date" FROM "2-18278061-2" WHERE "Winning driver" = 'Ugo Sivocci';

Question: What Report has a Winning driver of Mario Razzauti?
SQL: SELECT "Report" FROM "2-18278061-2" WHERE "Winning driver" = 'Mario Razzauti';

Question: What Date has a Circuit of Cremona?
SQL: SELECT "Date" FROM "2-18278061-2" WHERE "Circuit" = 'Cremona';

Question: What Name has a Winning constructor of Ansaldo?
SQL: SELECT "Name" FROM "2-18278061-2" WHERE "Winning constructor" = 'Ansaldo';

Question: What Winning driver has a Winning constructor of Sunbeam?
SQL: SELECT "Winning driver" FROM "2-18278061-2" WHERE "Winning constructor" = 'Sunbeam';