user: Question: What did the away team score when the home team was South Melbourne?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Footscray', '9.14 (68)', 'Melbourne', '7.4 (46)', 'Western Oval', 16346.0, '16 May 1970']
SQL:

assistant: SELECT "Away team score" FROM "Table" WHERE "Home team" = 'South Melbourne';