user: Question: What date had a Result of L 23–17 in a week later than 7?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 10, 1989', 'at Pittsburgh Steelers', 'W 51–0', 57928.0]
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Week" > 7.0 AND "Result" = 'L 23–17';