What is the average crowd size when North Melbourne is the away team?
CREATE TABLE table_name_33 (crowd INTEGER, away_team VARCHAR)
SELECT AVG(crowd) FROM table_name_33 WHERE away_team = "north melbourne"
### Context: CREATE TABLE table_name_33 (crowd INTEGER, away_team VARCHAR) ### Question: What is the average crowd size when North Melbourne is the away team? ### Answer: SELECT AVG(crowd) FROM table_name_33 WHERE away_team = "north melbourne"