What is the average crowd size for corio oval?
CREATE TABLE table_name_9 (crowd INTEGER, venue VARCHAR)
SELECT AVG(crowd) FROM table_name_9 WHERE venue = "corio oval"
### Context: CREATE TABLE table_name_9 (crowd INTEGER, venue VARCHAR) ### Question: What is the average crowd size for corio oval? ### Answer: SELECT AVG(crowd) FROM table_name_9 WHERE venue = "corio oval"