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 | Cincinnati Bengals | W 45–14 | 72,855 |
| 2.0 | September 8, 1991 | at Los Angeles Raiders | L 16–13 | 48,569 |
| 3.0 | September 15, 1991 | Seattle Seahawks | W 16–10 | 74,152 |
| 4.0 | September 22, 1991 | San Diego Chargers | W 27–19 | 73,258 |
| 5.0 | September 29, 1991 | at Minnesota Vikings | W 13–6 | 55,031 |
| 6.0 | October 6, 1991 | at Houston Oilers | L 42–14 | 59,145 |
| 7.0 | Bye | Bye | Bye | Bye |
| 8.0 | October 20, 1991 | Kansas City Chiefs | W 19–16 | 75,866 |
| 9.0 | October 27, 1991 | at New England Patriots | W 9–6 | 43,994 |
| 10.0 | November 3, 1991 | Pittsburgh Steelers | W 20–13 | 70,973 |
| 11.0 | November 10, 1991 | Los Angeles Raiders | L 17–16 | 75,896 |
| 12.0 | November 17, 1991 | at Kansas City Chiefs | W 24–20 | 74,661 |
| 13.0 | November 24, 1991 | at Seattle Seahawks | L 13–10 | 60,430 |
| 14.0 | December 1, 1991 | New England Patriots | W 20–3 | 67,116 |
| 15.0 | December 8, 1991 | at Cleveland Browns | W 17–7 | 73,539 |
| 16.0 | December 15, 1991 | Phoenix Cardinals | W 24–19 | 74,098 |
| 17.0 | December 22, 1991 | at San Diego Chargers | W 17–14 | 51,449 |
Question:
Which Week has an Attendance of 72,855?
Answer:
1.0