What is the smallest grid with collision as the Time/Retired for pedro diniz?
CREATE TABLE table_name_6 (
    grid INTEGER,
    time_retired VARCHAR,
    driver VARCHAR
)
SELECT MIN(grid) FROM table_name_6 WHERE time_retired = "collision" AND driver = "pedro diniz"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the smallest grid with collision as the Time/Retired for pedro diniz? ### Input: CREATE TABLE table_name_6 (
    grid INTEGER,
    time_retired VARCHAR,
    driver VARCHAR
) ### Response: SELECT MIN(grid) FROM table_name_6 WHERE time_retired = "collision" AND driver = "pedro diniz"