Question: What date is the Portuguese Grand Prix?
SQL: SELECT "Date" FROM "2-1139087-2" WHERE "Grand Prix" = 'Portuguese Grand Prix';

Question: Which winning driver is located in Imola?
SQL: SELECT "Winning Driver" FROM "2-1139087-2" WHERE "Location" = 'Imola';

Question: What is the Pole Position of the Portuguese Grand Prix?
SQL: SELECT "Pole Position" FROM "2-1139087-2" WHERE "Grand Prix" = 'Portuguese Grand Prix';