user: Question: Which week was the game on December 14, 1967?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 9, 1967', 'at Houston Oilers', 'W 25–20', '28,003']
SQL:

assistant: SELECT "Week" FROM "Table" WHERE "Date" = 'December 14, 1967';