user: ### NOW ANSWER:
Question: Which Week has a Date of December 8, 1991?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 1, 1991', 'Cincinnati Bengals', 'W 45–14', '72,855']
SQL:

assistant: SELECT AVG("Week") FROM "Table" WHERE "Date" = 'December 8, 1991';