I want the average bronze for total of 19 and silver of 8 with rank of 31
CREATE TABLE table_name_12 (
    bronze INTEGER,
    rank VARCHAR,
    total VARCHAR,
    silver VARCHAR
)
SELECT AVG(bronze) FROM table_name_12 WHERE total = 19 AND silver = 8 AND rank = "31"
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: I want the average bronze for total of 19 and silver of 8 with rank of 31 ### Input: CREATE TABLE table_name_12 (
    bronze INTEGER,
    rank VARCHAR,
    total VARCHAR,
    silver VARCHAR
) ### Response: SELECT AVG(bronze) FROM table_name_12 WHERE total = 19 AND silver = 8 AND rank = "31"