user: Question: When was the game that had Sydney Spirit as the away team?
Columns: ['Date', 'Home team', 'Score', 'Away team', 'Venue', 'Box Score', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['3 December', 'Wollongong Hawks', '78-112', 'South Dragons', 'WIN Entertainment Centre', 'box score', 'report']
SQL:

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