What was the average capacity for vélez sársfield?
CREATE TABLE table_name_72 (capacity INTEGER, home_team_s_ VARCHAR)
SELECT AVG(capacity) FROM table_name_72 WHERE home_team_s_ = "vélez sársfield"
### Context: CREATE TABLE table_name_72 (capacity INTEGER, home_team_s_ VARCHAR) ### Question: What was the average capacity for vélez sársfield? ### Answer: SELECT AVG(capacity) FROM table_name_72 WHERE home_team_s_ = "vélez sársfield"