user: Question: What is the average date of the game with the Detroit Red Wings as the opponent?
Columns: ['Game', 'Date', 'Opponent', 'Score', 'Location/attendance', 'Record']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [49.0, 1.0, 'Detroit Red Wings', '8-6', 'Detroit', '21-24-4']
SQL:

assistant: SELECT AVG("Date") FROM "Table" WHERE "Opponent" = 'Detroit Red Wings';