user: Question: On what date were the Ottawa Swans the away team?
Columns: ['Date', 'Time', 'Home', 'Away', 'Score', 'Ground']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2008-09-06', '09:45', 'Etobicoke Kangaroos', 'Hamilton Wildcats', '92-18', 'Humber College Lakeshore']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Away" = 'Ottawa Swans';