user: Question: When did Geelong 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: ['Collingwood', '23.11 (149)', 'Footscray', '14.14 (98)', 'Victoria Park', 17500.0, '1 June 1935']
SQL:

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