user: Question: What was the date when Footscray was the away team?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Geelong', '8.12 (60)', 'North Melbourne', '9.15 (69)', 'Kardinia Park', 21000.0, '24 April 1954']
SQL:

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