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:
| Game | March | Opponent | Score | Decision | Record |
| --- | --- | --- | --- | --- | --- |
| 66.0 | 2.0 | Philadelphia Flyers | 5 - 4 SO | Valiquette | 34-24-8 |
| 67.0 | 4.0 | New York Islanders | 4 - 3 SO | Lundqvist | 34-24-9 |
| 68.0 | 6.0 | @ New York Islanders | 4 - 1 | Lundqvist | 35-24-9 |
| 69.0 | 9.0 | Boston Bruins | 1 - 0 SO | Lundqvist | 36-24-9 |
| 70.0 | 10.0 | @ Buffalo Sabres | 3 - 2 SO | Lundqvist | 37-24-9 |
| 71.0 | 14.0 | @ Florida Panthers | 3 - 2 | Lundqvist | 37-25-9 |
| 72.0 | 15.0 | @ Tampa Bay Lightning | 3 - 0 | Lundqvist | 37-26-9 |
| 73.0 | 18.0 | Pittsburgh Penguins | 5 - 2 | Lundqvist | 38-26-9 |
| 74.0 | 19.0 | @ New Jersey Devils | 2 - 1 SO | Lundqvist | 39-26-9 |
| 75.0 | 21.0 | @ Philadelphia Flyers | 4 - 3 SO | Valiquette | 39-26-10 |
| 76.0 | 25.0 | Philadelphia Flyers | 2 - 1 OT | Lundqvist | 39-26-11 |
| 77.0 | 27.0 | New Jersey Devils | 3 - 2 | Lundqvist | 40-26-11 |
| 78.0 | 30.0 | @ Pittsburgh Penguins | 3 - 1 | Lundqvist | 40-27-11 |
| 79.0 | 31.0 | Pittsburgh Penguins | 2 - 1 OT | Lundqvist | 41-27-11 |
Question:
Which opponent's march was 31?
Answer:
Pittsburgh Penguins