CREATE TABLE table_1137694_3 (grand_prix VARCHAR, winning_constructor VARCHAR)

Which Grand Prix was won by a car constructed by Jordan - Mugen-Honda?
SELECT grand_prix FROM table_1137694_3 WHERE winning_constructor = "Jordan - Mugen-Honda"
SELECT "grand_prix" FROM "table_1137694_3" WHERE "Jordan - Mugen-Honda" = "winning_constructor"