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 1, 1991 | Los Angeles Raiders | W 47–17 | 61,367 |
| 2.0 | September 8, 1991 | at Cincinnati Bengals | W 30–7 | 56,463 |
| 3.0 | September 16, 1991 | Kansas City Chiefs | W 17–7 | 61,058 |
| 4.0 | September 22, 1991 | at New England Patriots | L 24–20 | 30,702 |
| 5.0 | Bye | Bye | Bye | Bye |
| 6.0 | October 6, 1991 | Denver Broncos | W 42–14 | 59,145 |
| 7.0 | October 13, 1991 | at New York Jets | W 23–20 | 70,758 |
| 8.0 | October 20, 1991 | at Miami Dolphins | W 17–13 | 60,705 |
| 9.0 | October 27, 1991 | Cincinnati Bengals | W 35–3 | 58,634 |
| 10.0 | November 3, 1991 | at Washington Redskins | L 16–13 | 55,096 |
| 11.0 | November 10, 1991 | Dallas Cowboys | W 26–23 | 63,001 |
| 12.0 | November 17, 1991 | Cleveland Browns | W 28–24 | 58,155 |
| 13.0 | November 24, 1991 | at Pittsburgh Steelers | L 26–14 | 45,795 |
| 14.0 | December 2, 1991 | Philadelphia Eagles | L 13–6 | 61,141 |
| 15.0 | December 8, 1991 | Pittsburgh Steelers | W 31–6 | 59,225 |
| 16.0 | December 15, 1991 | at Cleveland Browns | W 17–14 | 55,680 |
| 17.0 | December 21, 1991 | at New York Giants | L 24–20 | 63,421 |
Question:
How many Weeks have a Result of w 17–13?
Answer:
8.0