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