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 9, 1990 | at Kansas City Chiefs | L 24–21 | 68,363 |
| 2.0 | September 16, 1990 | New Orleans Saints | W 32–3 | 56,272 |
| 3.0 | September 23, 1990 | at Chicago Bears | L 19–16 | 65,420 |
| 4.0 | September 30, 1990 | Tampa Bay Buccaneers | L 23–20 (OT) | 54,462 |
| 5.0 | October 7, 1990 | Detroit Lions | L 34–27 | 57,586 |
| 6.0 | October 15, 1990 | at Philadelphia Eagles | L 32–24 | 66,296 |
| 7.0 | Bye | Bye | Bye | Bye |
| 8.0 | October 28, 1990 | at Green Bay Packers (Milw) | L 24–10 | 55,125 |
| 9.0 | November 4, 1990 | Denver Broncos | W 27–22 | 57,331 |
| 10.0 | November 11, 1990 | at Detroit Lions | W 17–7 | 68,264 |
| 11.0 | November 18, 1990 | at Seattle Seahawks | W 24–21 | 59,735 |
| 12.0 | November 25, 1990 | Chicago Bears | W 41–13 | 58,866 |
| 13.0 | December 2, 1990 | Green Bay Packers | W 23–7 | 62,058 |
| 14.0 | December 9, 1990 | at New York Giants | L 23–15 | 76,121 |
| 15.0 | December 16, 1990 | at Tampa Bay Buccaneers | L 26–13 | 47,272 |
| 16.0 | December 22, 1990 | Los Angeles Raiders | L 28–24 | 53,899 |
| 17.0 | December 30, 1990 | San Francisco 49ers | L 20–17 | 51,590 |
Question:
Tell me the sum of week for result of l 24–21
Answer:
1.0