What is the mean number of laps where Time/retired was a water leak and the grid number was bigger than 12?
CREATE TABLE table_name_53 (
    laps INTEGER,
    time_retired VARCHAR,
    grid VARCHAR
)
SELECT AVG(laps) FROM table_name_53 WHERE time_retired = "water leak" AND grid > 12
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 mean number of laps where Time/retired was a water leak and the grid number was bigger than 12? ### Input: CREATE TABLE table_name_53 (
    laps INTEGER,
    time_retired VARCHAR,
    grid VARCHAR
) ### Response: SELECT AVG(laps) FROM table_name_53 WHERE time_retired = "water leak" AND grid > 12