Question: What company constrcuted the vehicle with a circuit of Oulton Park on 15 April?
SQL: SELECT "Constructor" FROM "2-1140096-6" WHERE "Circuit" = 'Oulton Park' AND "Date" = '15 April';

Question: What is the name of the race on 16 September?
SQL: SELECT "Race Name" FROM "2-1140096-6" WHERE "Date" = '16 September';

Question: What is the circuit held on 15 April?
SQL: SELECT "Circuit" FROM "2-1140096-6" WHERE "Date" = '15 April';

Question: What date was the XIV International Gold Cup?
SQL: SELECT "Date" FROM "2-1140096-6" WHERE "Race Name" = 'XIV International Gold Cup';