Question: What Chassis was driven by Otto Stuppacher?
SQL: SELECT "Chassis" FROM "2-1140084-1" WHERE "Driver" = 'Otto Stuppacher';

Question: Who drove the car with the N175 chassis in round 13?
SQL: SELECT "Driver" FROM "2-1140084-1" WHERE "Chassis" = 'N175' AND "Rounds" = '13';

Question: What chassis did John Watson drive?
SQL: SELECT "Chassis" FROM "2-1140084-1" WHERE "Driver" = 'John Watson';