When 4 clubs are involved, what is the average number of fixtures?
CREATE TABLE table_name_3 (
    fixtures INTEGER,
    clubs_involved VARCHAR
)
SELECT AVG(fixtures) FROM table_name_3 WHERE clubs_involved = 4
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: When 4 clubs are involved, what is the average number of fixtures? ### Input: CREATE TABLE table_name_3 (
    fixtures INTEGER,
    clubs_involved VARCHAR
) ### Response: SELECT AVG(fixtures) FROM table_name_3 WHERE clubs_involved = 4