What is the average number of silvers for teams ranked 5 with 0 bronze?
CREATE TABLE table_name_31 (
    silver INTEGER,
    rank VARCHAR,
    bronze VARCHAR
)
SELECT AVG(silver) FROM table_name_31 WHERE rank = "5" AND bronze < 0
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 average number of silvers for teams ranked 5 with 0 bronze? ### Input: CREATE TABLE table_name_31 (
    silver INTEGER,
    rank VARCHAR,
    bronze VARCHAR
) ### Response: SELECT AVG(silver) FROM table_name_31 WHERE rank = "5" AND bronze < 0