Carson Palmer lofted a 75-yard touchdown pass to rookie John Brown with 1:21 to play to give the Arizona Cardinals a stunning 24-20 victory over the Philadelphia Eagles in a matchup of two of the NFL's four remaining one-loss teams. The Cardinals (6-1) had a goal-line stand that forced the Eagles (5-2) to settle for a 20-yard field goal that put Philadelphia up 20-17 with 1:56 left.Then on third-and-five, Palmer - who also had an 80-yard TD pass to Larry Fitzgerald - heaved the ball deep, where the speedy Brown gathered it in and crossed the goal line just as he was being tackled.The Eagles drove to the Arizona 16. On the last play of the game, Jordan Matthews caught a pass from Nick Foles in the end zone but landed out of bounds.
Question: How many points did the Cardinals win by?
Answer: 4