What was the average crowd size when the away team was South Melbourne?
CREATE TABLE table_name_63 (crowd INTEGER, away_team VARCHAR)
SELECT AVG(crowd) FROM table_name_63 WHERE away_team = "south melbourne"
### Context: CREATE TABLE table_name_63 (crowd INTEGER, away_team VARCHAR) ### Question: What was the average crowd size when the away team was South Melbourne? ### Answer: SELECT AVG(crowd) FROM table_name_63 WHERE away_team = "south melbourne"