What is the crowd size when the away team was South Melbourne?
CREATE TABLE table_name_15 (crowd INTEGER, away_team VARCHAR)
SELECT SUM(crowd) FROM table_name_15 WHERE away_team = "south melbourne"
### Context: CREATE TABLE table_name_15 (crowd INTEGER, away_team VARCHAR) ### Question: What is the crowd size when the away team was South Melbourne? ### Answer: SELECT SUM(crowd) FROM table_name_15 WHERE away_team = "south melbourne"