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 6, 1981 | at New England Patriots | W 29–28 | 1–0 | Schaeffer Stadium | 49572.0 |
| 2.0 | September 13, 1981 | Buffalo Bills | L 3–35 | 1–1 | Memorial Stadium | 44950.0 |
| 3.0 | September 20, 1981 | at Denver Broncos | L 10–28 | 1–2 | Mile High Stadium | 74804.0 |
| 4.0 | September 27, 1981 | Miami Dolphins | L 28–31 | 1–3 | Memorial Stadium | 41630.0 |
| 5.0 | October 4, 1981 | at Buffalo Bills | L 17–23 | 1–4 | Rich Stadium | 77811.0 |
| 6.0 | October 11, 1981 | Cincinnati Bengals | L 19–41 | 1–5 | Memorial Stadium | 33060.0 |
| 7.0 | October 18, 1981 | San Diego Chargers | L 14–43 | 1–6 | Memorial Stadium | 41921.0 |
| 8.0 | October 25, 1981 | at Cleveland Browns | L 28–42 | 1–7 | Cleveland Stadium | 78986.0 |
| 9.0 | November 1, 1981 | at Miami Dolphins | L 10–27 | 1–8 | Orange Bowl | 46061.0 |
| 10.0 | November 8, 1981 | New York Jets | L 14–41 | 1–9 | Memorial Stadium | 31521.0 |
| 11.0 | November 15, 1981 | at Philadelphia Eagles | L 13–38 | 1–10 | Veterans Stadium | 68618.0 |
| 12.0 | November 22, 1981 | St. Louis Cardinals | L 24–35 | 1–11 | Memorial Stadium | 24784.0 |
| 13.0 | November 29, 1981 | at New York Jets | L 0–25 | 1–12 | Shea Stadium | 53593.0 |
| 14.0 | December 6, 1981 | Dallas Cowboys | L 13–37 | 1–13 | Memorial Stadium | 54871.0 |
| 15.0 | December 13, 1981 | at Washington Redskins | L 14–38 | 1–14 | RFK Stadium | 46706.0 |
| 16.0 | December 20, 1981 | New England Patriots | W 23–21 | 2–14 | Memorial Stadium | 17073.0 |
Question:
What is the date of the game being played at Schaeffer Stadium?
Answer:
September 6, 1981