user: Question: What day 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: ['Fitzroy', '10.7 (67)', 'North Melbourne', '22.8 (140)', 'Brunswick Street Oval', 9351.0, '2 July 1966']
SQL:

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