CREATE TABLE table_name_85 (grid VARCHAR2, driver VARCHAR2, laps VARCHAR2)

What is the grid total for david coulthard with over 45 laps?
SELECT COUNT(grid) FROM table_name_85 WHERE driver = "david coulthard" AND laps > 45
SELECT COUNT("grid") FROM "table_name_85" WHERE "david coulthard" = "driver" AND "laps" > 45