CREATE TABLE table_name_14 (grid INT, laps VARCHAR, driver VARCHAR)

What is the grid total for bruce mclaren with over 73 laps?
SELECT SUM(grid) FROM table_name_14 WHERE laps > 73 AND driver = "bruce mclaren"
SELECT SUM("grid") FROM "table_name_14" WHERE "bruce mclaren" = "driver" AND "laps" > 73