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 26, 1949 | at Chicago Cardinals | L 38-7 | 24136.0 |
| 2.0 | October 3, 1949 | at Pittsburgh Steelers | W 27-14 | 30000.0 |
| 3.0 | October 9, 1949 | New York Giants | L 45-35 | 30073.0 |
| 4.0 | October 16, 1949 | New York Bulldogs | W 38-14 | 26278.0 |
| 5.0 | October 23, 1949 | at Philadelphia Eagles | L 49-14 | 28855.0 |
| 6.0 | October 30, 1949 | at New York Bulldogs | T 14-14 | 3678.0 |
| 7.0 | November 6, 1949 | Pittsburgh Steelers | W 27-14 | 26038.0 |
| 8.0 | November 13, 1949 | Philadelphia Eagles | L 44-21 | 31107.0 |
| 9.0 | November 20, 1949 | Chicago Bears | L 31-21 | 30418.0 |
| 10.0 | November 27, 1949 | at New York Giants | L 23-7 | 12985.0 |
| 11.0 | December 4, 1949 | Green Bay Packers | W 30-0 | 23200.0 |
| 12.0 | December 11, 1949 | at Los Angeles Rams | L 53-27 | 44899.0 |
Question:
What was the total number of weeks with a result of l 31-21?
Answer:
1.0