user: Question: On what date was the away team Sheffield Wednesday?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Watford', '2–1', 'Derby County', '28 January 1989']
SQL:

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