user: Question: If the Away team was Carlton, what Date did they play?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Melbourne', '13.11 (89)', 'North Melbourne', '19.15 (129)', 'MCG', 23616.0, '4 May 1974']
SQL:

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