user: Question: When did the away team score at Punt Road Oval?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Richmond', '14.24 (108)', 'South Melbourne', '13.7 (85)', 'Punt Road Oval', 15000.0, '13 May 1939']
SQL:

assistant: SELECT "Away team score" FROM "Table" WHERE "Venue" = 'Punt Road Oval';