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 12, 2004 | at Chicago Bears | W 20-16 | 61,535 |
| 2.0 | September 19, 2004 | Houston Texans | W 28-16 | 61,465 |
| 3.0 | September 26, 2004 | Philadelphia Eagles | L 30-13 | 62,472 |
| 4.0 | Bye | Bye | Bye | Bye |
| 5.0 | October 10, 2004 | at Atlanta Falcons | W 17-10 | 70,434 |
| 6.0 | October 17, 2004 | Green Bay Packers | L 38-10 | 62,938 |
| 7.0 | October 24, 2004 | at New York Giants | W 28-13 | 78,841 |
| 8.0 | October 31, 2004 | at Dallas Cowboys | L 31-21 | 63,616 |
| 9.0 | November 7, 2004 | Washington Redskins | L 17-10 | 62,657 |
| 10.0 | November 14, 2004 | at Jacksonville Jaguars | L 23-17 OT | 66,431 |
| 11.0 | November 21, 2004 | at Minnesota Vikings | L 22-19 | 64,156 |
| 12.0 | November 25, 2004 | Indianapolis Colts | L 41-9 | 63,107 |
| 13.0 | December 5, 2004 | Arizona Cardinals | W 26-12 | 62,262 |
| 14.0 | December 12, 2004 | at Green Bay Packers | L 16-13 | 70,497 |
| 15.0 | December 19, 2004 | Minnesota Vikings | L 28-27 | 62,337 |
| 16.0 | December 26, 2004 | Chicago Bears | W 19-13 | 61,924 |
| 17.0 | January 2, 2005 | at Tennessee Titans | L 24-19 | 68,809 |
Question:
Which attendance number was taken on november 21, 2004?
Answer:
64156.0