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 21, 1975 | at Minnesota Vikings | L 27-17 | 46479.0 |
| 2.0 | September 28, 1975 | Los Angeles Rams | L 23-14 | 55072.0 |
| 3.0 | October 5, 1975 | at Kansas City Chiefs | W 20-3 | 54490.0 |
| 4.0 | October 12, 1975 | Atlanta Falcons | L 17-3 | 44043.0 |
| 5.0 | October 19, 1975 | New Orleans Saints | W 35-21 | 39990.0 |
| 6.0 | October 26, 1975 | at New England Patriots | L 24-16 | 60358.0 |
| 7.0 | November 2, 1975 | Detroit Lions | L 28-17 | 43209.0 |
| 8.0 | November 9, 1975 | at Los Angeles Rams | W 24-23 | 74064.0 |
| 9.0 | November 16, 1975 | Chicago Bears | W 31-3 | 41726.0 |
| 10.0 | November 23, 1975 | at New Orleans Saints | W 16-6 | 40328.0 |
| 11.0 | November 30, 1975 | at Philadelphia Eagles | L 27-17 | 56694.0 |
| 12.0 | December 7, 1975 | Houston Oilers | L 27-13 | 44015.0 |
| 13.0 | December 14, 1975 | at Atlanta Falcons | L 31-9 | 38501.0 |
| 14.0 | December 21, 1975 | New York Giants | L 26-23 | 34354.0 |
Question:
Who was the opponent before week 8 when the result was l 28-17?
Answer:
Detroit Lions