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 | Game Site | Attendance |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | September 4, 1978 | at Dallas Cowboys | L 0–38 | 0–1 | Texas Stadium | 64224.0 |
| 2.0 | September 10, 1978 | Miami Dolphins | L 0–42 | 0–2 | Memorial Stadium | 47730.0 |
| 3.0 | September 18, 1978 | at New England Patriots | W 34–27 | 1–2 | Schaeffer Stadium | 57284.0 |
| 4.0 | September 24, 1978 | at Buffalo Bills | L 17–24 | 1–3 | Rich Stadium | 55270.0 |
| 5.0 | October 1, 1978 | Philadelphia Eagles | L 14–17 | 1–4 | Memorial Stadium | 50314.0 |
| 6.0 | October 8, 1978 | at St. Louis Cardinals | W 30–17 | 2–4 | Busch Memorial Stadium | 47479.0 |
| 7.0 | October 15, 1978 | New York Jets | L 10–33 | 2–5 | Memorial Stadium | 45563.0 |
| 8.0 | October 22, 1978 | Denver Broncos | W 7–6 | 3–5 | Memorial Stadium | 54057.0 |
| 9.0 | October 29, 1978 | at Miami Dolphins | L 8–26 | 3–6 | Miami Orange Bowl | 53524.0 |
| 10.0 | November 6, 1978 | Washington Redskins | W 21–17 | 4–6 | Memorial Stadium | 57631.0 |
| 11.0 | November 12, 1978 | at Seattle Seahawks | W 17–14 | 5–6 | Kingdome | 61905.0 |
| 12.0 | November 19, 1978 | Cleveland Browns | L 24–25 | 5–7 | Cleveland Stadium | 45341.0 |
| 13.0 | November 26, 1978 | New England Patriots | L 14–35 | 5–8 | Memorial Stadium | 42828.0 |
| 14.0 | December 3, 1978 | at New York Jets | L 17–30 | 5–9 | Shea Stadium | 50248.0 |
| 15.0 | December 9, 1978 | at Pittsburgh Steelers | L 13–35 | 5–10 | Three Rivers Stadium | 41957.0 |
Question:
Who were all of the opponents when the date was November 12, 1978?
Answer:
at Seattle Seahawks