user: Question: What day was south Melbourne the away squad?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['North Melbourne', '15.8 (98)', 'St Kilda', '5.11 (41)', 'Arden Street Oval', 11000.0, '14 April 1956']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Away team" = 'Melbourne';