Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Week | Date | Opponent | Result | Attendance |
| --- | --- | --- | --- | --- |
| 1.0 | September 25, 1960 | Cleveland Browns | L 24–41 | 56,303 |
| 2.0 | September 30, 1960 | at Dallas Cowboys | W 27–25 | 18,500 |
| 3.0 | October 9, 1960 | St. Louis Cardinals | W 31–27 | 33,701 |
| 4.0 | October 16, 1960 | Detroit Lions | W 28–10 | 38,065 |
| 5.0 | October 23, 1960 | at Cleveland Browns | W 31–29 | 64,850 |
| 6.0 | Bye | Bye | Bye | Bye |
| 7.0 | November 6, 1960 | Pittsburgh Steelers | W 34–7 | 58,324 |
| 8.0 | November 13, 1960 | Washington Redskins | W 19–13 | 39,361 |
| 9.0 | November 20, 1960 | at New York Giants | W 17–10 | 63,571 |
| 10.0 | November 27, 1960 | New York Giants | W 31–23 | 60,547 |
| 11.0 | December 4, 1960 | at St. Louis Cardinals | W 20–6 | 21,358 |
| 12.0 | December 11, 1960 | at Pittsburgh Steelers | L 21-27 | 22,101 |
| 13.0 | December 18, 1960 | at Washington Redskins | W 38–28 | 20,558 |
Question:
How many weeks had a Result of w 20–6?
Answer:
11.0