user: Question: In what Week has a Result of L 24–20, and a Opponent of at New England Patriots?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 1, 1991', 'Los Angeles Raiders', 'W 47–17', '61,367']
SQL:

assistant: SELECT "Week" FROM "Table" WHERE "Result" = 'L 24–20' AND "Opponent" = 'at New England Patriots';