Question: What date did Delage win?
SQL: SELECT "Date" FROM "2-10617925-2" WHERE "Winning constructor" = 'Delage';

Question: What circuit did Luigi Villoresi win the Lausanne Grand Prix?
SQL: SELECT "Circuit" FROM "2-10617925-2" WHERE "Winning driver" = 'Luigi Villoresi' AND "Name" = 'Lausanne Grand Prix';

Question: Which Grand Prix did Nello Pagani win?
SQL: SELECT "Name" FROM "2-10617925-2" WHERE "Winning driver" = 'Nello Pagani';