What is the largest Grid with a Driver of piers courage?
CREATE TABLE table_name_31 (grid INTEGER, driver VARCHAR)
SELECT MAX(grid) FROM table_name_31 WHERE driver = "piers courage"
### Context: CREATE TABLE table_name_31 (grid INTEGER, driver VARCHAR) ### Question: What is the largest Grid with a Driver of piers courage? ### Answer: SELECT MAX(grid) FROM table_name_31 WHERE driver = "piers courage"