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 | August 31, 1997 | at Baltimore Ravens | W 28–27 | NBC 4:15pm | 61,018 |
| 2.0 | September 7, 1997 | New York Giants | W 40–13 | FOX 4:15pm | 70,581 |
| 3.0 | Bye | Bye | Bye | Bye | Bye |
| 4.0 | September 22, 1997 | Pittsburgh Steelers | W 30–21 | ABC 9:00pm | 73,016 |
| 5.0 | September 28, 1997 | at Washington Redskins | L 24–12 | NBC 1:00pm | 74,421 |
| 6.0 | October 5, 1997 | Cincinnati Bengals | W 21–13 | NBC 1:00pm | 67,128 |
| 7.0 | October 12, 1997 | Philadelphia Eagles | W 38–21 | FOX 1:00pm | 69,150 |
| 8.0 | October 19, 1997 | at Dallas Cowboys | L 26–22 | NBC 1:00pm | 64,464 |
| 9.0 | October 26, 1997 | at Pittsburgh Steelers | L 23–17 (OT) | NBC 4:15pm | 57,011 |
| 10.0 | November 2, 1997 | at Tennessee Oilers | W 30–24 | NBC 4:15pm | 27,208 |
| 11.0 | November 9, 1997 | Kansas City Chiefs | W 24–10 | NBC 1:00pm | 70,444 |
| 12.0 | November 16, 1997 | Tennessee Oilers | W 17–9 | NBC 1:00pm | 70,070 |
| 13.0 | November 23, 1997 | at Cincinnati Bengals | L 31–26 | NBC 1:00pm | 55,158 |
| 14.0 | November 30, 1997 | Baltimore Ravens | W 29–27 | NBC 1:00pm | 63,712 |
| 15.0 | December 7, 1997 | New England Patriots | L 26–20 | NBC 1:00pm | 73,446 |
| 16.0 | December 14, 1997 | at Buffalo Bills | W 20–14 | NBC 1:00pm | 41,231 |
| 17.0 | December 21, 1997 | at Oakland Raiders | W 20–9 | NBC 4:15pm | 40,032 |
Question:
Who was the opponent in week 6?
Answer:
Cincinnati Bengals