What was the crowd size when Geelong played at home?
CREATE TABLE table_name_58 (crowd INTEGER, home_team VARCHAR)
SELECT AVG(crowd) FROM table_name_58 WHERE home_team = "geelong"
### Context: CREATE TABLE table_name_58 (crowd INTEGER, home_team VARCHAR) ### Question: What was the crowd size when Geelong played at home? ### Answer: SELECT AVG(crowd) FROM table_name_58 WHERE home_team = "geelong"