CREATE TABLE table_54973 ("Driver" CLOB, "Constructor" CLOB, "Laps" FLOAT, "Time/Retired" CLOB, "Grid" FLOAT)

I want the total number of Grids for heinz-harald frentzen
SELECT COUNT("Grid") FROM table_54973 WHERE "Driver" = 'heinz-harald frentzen'
SELECT COUNT("Grid") FROM "table_54973" WHERE "Driver" = 'heinz-harald frentzen'