CREATE TABLE table_name_39 (grid NUMBER, driver VARCHAR2, laps VARCHAR2)

what is the grid when the driver is mario andretti and the laps is less than 54?
SELECT MAX(grid) FROM table_name_39 WHERE driver = "mario andretti" AND laps < 54
SELECT MAX("grid") FROM "table_name_39" WHERE "driver" = "mario andretti" AND "laps" < 54