user: Question: In what Week is the Opponent the New Orleans Saints?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 2, 1979', 'at Minnesota Vikings', 'L 28-22', 46539.0]
SQL:

assistant: SELECT "Week" FROM "Table" WHERE "Opponent" = 'New Orleans Saints';