CREATE TABLE table_37765 ("Driver" TEXT, "Constructor" TEXT, "Laps" TEXT, "Time/Retired" TEXT, "Grid" TEXT)

Who was the constructor of the car driven by Heikki Kovalainen?
SELECT "Constructor" FROM table_37765 WHERE "Driver" = 'heikki kovalainen'
SELECT "Constructor" FROM "table_37765" WHERE "Driver" = 'heikki kovalainen'