What's the total grid of Bruce Mclaren?
CREATE TABLE table_name_79 (grid VARCHAR, driver VARCHAR)
SELECT COUNT(grid) FROM table_name_79 WHERE driver = "bruce mclaren"
### Context: CREATE TABLE table_name_79 (grid VARCHAR, driver VARCHAR) ### Question: What's the total grid of Bruce Mclaren? ### Answer: SELECT COUNT(grid) FROM table_name_79 WHERE driver = "bruce mclaren"