user: Question: When did Hawthorn play as 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: ['Melbourne', '9.10 (64)', 'Richmond', '14.12 (96)', 'MCG', 19583.0, '29 April 1933']
SQL:

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