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 12, 1982 | at New Orleans Saints | W 21-7 | 58673.0 |
| 2.0 | September 19, 1982 | Dallas Cowboys | L 24-7 | 50705.0 |
| 3.0 | November 21, 1982 | San Francisco 49ers | L 31-20 | 38064.0 |
| 4.0 | November 28, 1982 | at Atlanta Falcons | W 23-20 | 33411.0 |
| 5.0 | December 5, 1982 | at Philadelphia Eagles | W 23-20 | 63622.0 |
| 6.0 | December 12, 1982 | Washington Redskins | L 12-7 | 35308.0 |
| 7.0 | December 19, 1982 | at Chicago Bears | W 10-7 | 43270.0 |
| 8.0 | December 26, 1982 | New York Giants | W 24-21 | 39824.0 |
| 9.0 | January 2, 1983 | at Washington Redskins | L 28-0 | 55045.0 |
Question:
What was the result when the San Francisco 49ers were the opponents?
Answer:
L 31-20