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 7, 2003 | at Detroit Lions | L 24-42 | 60,691 |
| 2.0 | September 14, 2003 | Seattle Seahawks | L 0-38 | 23,127 |
| 3.0 | September 21, 2003 | Green Bay Packers | W 20-13 | 58,784 |
| 4.0 | September 28, 2003 | at St. Louis Rams | L 13-37 | 65,758 |
| 5.0 | October 5, 2003 | at Dallas Cowboys | L 7-24 | 63,601 |
| 6.0 | October 12, 2003 | Baltimore Ravens | L 18-26 | 24,193 |
| 7.0 | Bye | Bye | Bye | Bye |
| 8.0 | October 26, 2003 | San Francisco 49ers | W 16-13 | 40,824 |
| 9.0 | November 2, 2003 | Cincinnati Bengals | W 17-14 | 23,531 |
| 10.0 | November 9, 2003 | at Pittsburgh Steelers | L 15-28 | 59,520 |
| 11.0 | November 16, 2003 | at Cleveland Browns | L 6-44 | 72,908 |
| 12.0 | November 23, 2003 | St. Louis Rams | L 27-30 | 42,089 |
| 13.0 | November 30, 2003 | at Chicago Bears | L 3-28 | 61,550 |
| 14.0 | December 7, 2003 | at San Francisco 49ers | L 14-50 | 66,975 |
| 15.0 | December 14, 2003 | Carolina Panthers | L 17-20 | 23,217 |
| 16.0 | December 21, 2003 | at Seattle Seahawks | L 10-28 | 64,899 |
| 17.0 | December 28, 2003 | Minnesota Vikings | W 18-17 | 52,734 |
Question:
What is the highest week that has carolina panthers as the opponent?
Answer:
15.0