user: Question: What is the highest week that has Carolina Panthers as the opponent?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 7, 2003', 'at Detroit Lions', 'L 24-42', '60,691']
SQL:

assistant: SELECT MAX("Week") FROM "Table" WHERE "Opponent" = 'Carolina Panthers';