user: Question: When has  a Week of 9?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Venue', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 6, 1992', 'Minnesota Vikings', 'L 23-20 (OT)', 'Lambeau Field', '58,617']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Week" = 9.0;