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 | TV Time | Attendance |
| --- | --- | --- | --- | --- | --- |
| 1.0 | September 6, 1998 | Arizona Cardinals | W 38–10 | FOX 4:15pm | 63,602 |
| 2.0 | September 13, 1998 | at Denver Broncos | L 42–23 | FOX 4:15pm | 75,013 |
| 3.0 | September 21, 1998 | at New York Giants | W 31–7 | ABC 9:00pm | 78,039 |
| 4.0 | September 27, 1998 | Oakland Raiders | L 13–12 | CBS 4:15pm | 63,544 |
| 5.0 | October 4, 1998 | at Washington Redskins | W 31–10 | FOX 1:00pm | 72,284 |
| 6.0 | October 11, 1998 | Carolina Panthers | W 27–20 | FOX 1:00pm | 64,181 |
| 7.0 | October 18, 1998 | at Chicago Bears | L 13–12 | FOX 4:15pm | 59,201 |
| 8.0 | Bye | Bye | Bye | Bye | Bye |
| 9.0 | November 2, 1998 | at Philadelphia Eagles | W 34–0 | ABC 9:00pm | 67,002 |
| 10.0 | November 8, 1998 | New York Giants | W 16–6 | FOX 1:00pm | 64,316 |
| 11.0 | November 15, 1998 | at Arizona Cardinals | W 35–28 | FOX 4:15pm | 71,670 |
| 12.0 | November 22, 1998 | Seattle Seahawks | W 30–22 | CBS 1:00pm | 64,142 |
| 13.0 | November 26, 1998 | Minnesota Vikings | L 46–36 | FOX 4:00pm | 64,366 |
| 14.0 | December 6, 1998 | at New Orleans Saints | L 22–3 | FOX 1:00pm | 65,065 |
| 15.0 | December 13, 1998 | at Kansas City Chiefs | L 20–17 | FOX 4:15pm | 77,697 |
| 16.0 | December 20, 1998 | Philadelphia Eagles | W 13–9 | FOX 4:15pm | 62,722 |
| 17.0 | December 27, 1998 | Washington Redskins | W 23–7 | ESPN 8:15pm | 63,565 |
Question:
Name the least week for opponent of washington redskins
Answer:
17.0