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 | Kickoff [a ] | Game site | Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Week | Date | Opponent | Result | Kickoff [a ] | Game site | Attendance | Record |
| 1 | September 2, 1984 | at Chicago Bears | L 34-14 | 1:00 | Soldier Field | 58,789 | 0-1 |
| 2 | September 9, 1984 | at New Orleans Saints | L 17-13 | 1:00 | Louisiana Superdome | 54,686 | 0-2 |
| 3 | September 16, 1984 | Detroit Lions | W 21-17 | 1:00 | Tampa Stadium | 44,560 | 1-2 |
| 4 | September 23, 1984 | at New York Giants | L 17-14 | 1:00 | Giants Stadium | 72,650 | 1-3 |
| 5 | September 30, 1984 | Green Bay Packers | W 30-27 OT | 4:00 | Tampa Stadium | 44,487 | 2-3 |
| 6 | October 7, 1984 | Minnesota Vikings | W 35-31 | 1:00 | Tampa Stadium | 47,405 | 3-3 |
| 7 | October 14, 1984 | at Detroit Lions | L 13-7 OT | 1:00 | Pontiac Silverdome | 44,308 | 3-4 |
| 8 | October 21, 1984 | Chicago Bears | L 44-9 | 1:00 | Tampa Stadium | 60,003 | 3-5 |
| 9 | October 28, 1984 | at Kansas City Chiefs | L 24-20 | 1:00 | Arrowhead Stadium | 41,710 | 3-6 |
| 10 | November 4, 1984 | at Minnesota Vikings | L 27-24 | 1:00 | Hubert H. Humphrey Metrodome | 54,949 | 3-7 |
| 11 | November 11, 1984 | New York Giants | W 20-17 | 4:00 | Tampa Stadium | 46,534 | 4-7 |
| 12 | November 18, 1984 | at San Francisco 49ers | L 24-17 | 4:00 | Candlestick Park | 57,704 | 4-8 |
| 13 | November 25, 1984 | Los Angeles Rams | L 34-33 | 1:00 | Tampa Stadium | 42,242 | 4-9 |
| 14 | December 2, 1984 | at Green Bay Packers | L 27-14 | 1:00 | Lambeau Field | 46,800 | 4-10 |
| 15 | December 9, 1984 | Atlanta Falcons | W 23-6 | 1:00 | Tampa Stadium | 33,808 | 5-10 |
| 16 | December 16, 1984 | New York Jets | W 41-21 | 1:00 | Tampa Stadium | 43,817 | 6-10 |
Question:
When the result was l 13-7 ot, who was the opponent?
Answer:
at Detroit Lions