user: Question: Name the opponent for December 8
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Game site', 'Record', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 21', 'Kansas City Chiefs', 'W 37–33', 'Mile High Stadium', '1–0', 51858.0]
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Date" = 'December 8';