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 | Record | Attendance |
| --- | --- | --- | --- | --- | --- |
| 1.0 | September 12, 2004 | Arizona Cardinals | W 17-10 | 1-0 | 65,538 |
| 2.0 | September 19, 2004 | at Atlanta Falcons | L 17-34 | 1-1 | 70,882 |
| 3.0 | September 26, 2004 | New Orleans Saints | L 25-28 (OT) | 1-2 | 65,856 |
| 4.0 | October 3, 2004 | at San Francisco 49ers | W 24-14 | 2-2 | 66,696 |
| 5.0 | October 10, 2004 | at Seattle Seahawks | W 33-27 (OT) | 3-2 | 66,940 |
| 6.0 | October 18, 2004 | Tampa Bay Buccaneers | W 28-21 | 4-2 | 66,040 |
| 7.0 | October 24, 2004 | at Miami Dolphins | L 14-31 | 4-3 | 72,945 |
| 8.0 | Bye | Bye | Bye | Bye | Bye |
| 9.0 | November 7, 2004 | New England Patriots | L 22-40 | 4-4 | 66,107 |
| 10.0 | November 14, 2004 | Seattle Seahawks | W 23-12 | 5-4 | 66,044 |
| 11.0 | November 21, 2004 | at Buffalo Bills | L 17-37 | 5-5 | 72,393 |
| 12.0 | November 29, 2004 | at Green Bay Packers | L 17-45 | 5-6 | 70,385 |
| 13.0 | December 5, 2004 | San Francisco 49ers | W 16-6 | 6-6 | 65,793 |
| 14.0 | December 12, 2004 | at Carolina Panthers | L 7-20 | 6-7 | 73,306 |
| 15.0 | December 19, 2004 | at Arizona Cardinals | L 7-31 | 6-8 | 40,070 |
| 16.0 | December 27, 2004 | Philadelphia Eagles | W 20-7 | 7-8 | 66,129 |
| 17.0 | January 2, 2005 | New York Jets | W 32-29 (OT) | 8-8 | 65,877 |
Question:
Which opponent had an attendance of 40,070?
Answer:
at Arizona Cardinals