user: Question: Who was the opponent for week 6?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Record', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 12, 2004', 'Arizona Cardinals', 'W 17-10', '1-0', '65,538']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Week" = 6.0;