CREATE TABLE table_name_52 (grid INT, laps VARCHAR, driver VARCHAR)

What is the lowest grid that has over 67 laps with stefan bellof driving?
SELECT MIN(grid) FROM table_name_52 WHERE laps > 67 AND driver = "stefan bellof"
SELECT MIN("grid") FROM "table_name_52" WHERE "driver" = "stefan bellof" AND "laps" > 67