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 | Time ( ET ) | TV | Result | Record | Game Site |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Monday September 19 | San Francisco 49ers | 9:00pm | ABC | W 27–0 | 1–0 | Three Rivers Stadium |
| 2.0 | Sunday September 25 | Oakland Raiders | 4:00pm | NBC | L 16–7 | 1–1 | Three Rivers Stadium |
| 3.0 | Sunday October 2 | Cleveland Browns | 1:00pm | NBC | W 28–14 | 2–1 | Cleveland Municipal Stadium |
| 4.0 | Sunday October 9 | Houston Oilers | 2:00pm | NBC | L 27–10 | 2–2 | Astrodome |
| 5.0 | Monday October 17 | Cincinnati Bengals | 1:00pm | ABC | W 20–14 | 3–2 | Three Rivers Stadium |
| 6.0 | Sunday October 23 | Houston Oilers | 1:00pm | NBC | W 27–10 | 4–2 | Three Rivers Stadium |
| 7.0 | Sunday October 30 | Baltimore Colts | 4:00pm | NBC | L 31–14 | 4–3 | Memorial Stadium |
| 8.0 | Sunday November 6 | Denver Broncos | 4:00pm | NBC | L 21–7 | 4–4 | Mile High Stadium |
| 9.0 | Sunday November 13 | Cleveland Browns | 1:00pm | NBC | W 35–31 | 5–4 | Three Rivers Stadium |
| 10.0 | Sunday November 20 | Dallas Cowboys | 4:00pm | CBS | W 28–13 | 6–4 | Three Rivers Stadium |
| 11.0 | Sunday November 27 | New York Jets | 1:00pm | NBC | W 23–20 | 7–4 | Shea Stadium |
| 12.0 | Sunday December 4 | Seattle Seahawks | 1:00pm | NBC | W 30–20 | 8–4 | Three Rivers Stadium |
| 13.0 | Saturday December 10 | Cincinnati Bengals | 1:00pm | NBC | L 17–10 | 8–5 | Riverfront Stadium |
Question:
Name the opponent for week 12
Answer:
Seattle Seahawks