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 29, 1947 | at Pittsburgh Steelers | W 48-7 | 35658.0 |
| 2.0 | October 5, 1947 | at Green Bay Packers | L 17-14 | 31613.0 |
| 3.0 | October 12, 1947 | at Detroit Lions | W 27-13 | 42955.0 |
| 4.0 | October 19, 1947 | Chicago Cardinals | W 27-7 | 69631.0 |
| 5.0 | October 26, 1947 | at Philadelphia Eagles | L 14-7 | 36364.0 |
| 6.0 | November 2, 1947 | at Chicago Cardinals | L 17-10 | 40075.0 |
| 7.0 | November 9, 1947 | Boston Yanks | L 27-16 | 19715.0 |
| 8.0 | November 16, 1947 | Chicago Bears | L 41-21 | 36702.0 |
| 9.0 | November 23, 1947 | Detroit Lions | W 28-17 | 17693.0 |
| 10.0 | November 30, 1947 | Green Bay Packers | L 30-10 | 31080.0 |
| 11.0 | December 7, 1947 | at Chicago Bears | W 17-14 | 34215.0 |
| 12.0 | December 14, 1947 | New York Giants | W 34-10 | 24050.0 |
Question:
What is the week for Result of w 28-17?
Answer:
9.0