CREATE TABLE table_40881 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" TEXT)

In what Week has a Result of l 24 20, and a Opponent of at new england patriots?
SELECT MAX("Week") FROM table_40881 WHERE "Result" = 'l 24–20' AND "Opponent" = 'at new england patriots'
SELECT MAX("Week") FROM "table_40881" WHERE "Opponent" = 'at new england patriots' AND "Result" = 'l 24–20'