CREATE TABLE table_name_6 (grid INT, time_retired VARCHAR, driver VARCHAR)

What is the smallest grid with collision as the Time/Retired for pedro diniz?
SELECT MIN(grid) FROM table_name_6 WHERE time_retired = "collision" AND driver = "pedro diniz"
SELECT MIN("grid") FROM "table_name_6" WHERE "collision" = "time_retired" AND "driver" = "pedro diniz"