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 | December | Opponent | Score | Decision | Record |
| --- | --- | --- | --- | --- | --- |
| 28.0 | 3.0 | Pittsburgh Penguins | 3 - 2 SO | Lundqvist | 18-8-2 |
| 29.0 | 4.0 | @ Montreal Canadiens | 6 - 2 | Lundqvist | 18-9-2 |
| 30.0 | 7.0 | Calgary Flames | 3 - 0 | Lundqvist | 18-10-2 |
| 31.0 | 10.0 | @ Atlanta Thrashers | 3 - 2 OT | Valiquette | 19-10-2 |
| 32.0 | 12.0 | @ New Jersey Devils | 8 - 5 | Lundqvist | 19-11-2 |
| 33.0 | 13.0 | Carolina Hurricanes | 3 - 2 SO | Lundqvist | 20-11-2 |
| 34.0 | 16.0 | @ Anaheim Ducks | 3 - 1 | Lundqvist | 21-11-2 |
| 35.0 | 17.0 | @ Los Angeles Kings | 3 - 2 OT | Valiquette | 22-11-2 |
| 36.0 | 20.0 | @ San Jose Sharks | 3 - 2 | Lundqvist | 22-12-2 |
| 37.0 | 23.0 | Washington Capitals | 5 - 4 OT | Lundqvist | 22-12-3 |
| 38.0 | 27.0 | New Jersey Devils | 4 - 2 | Lundqvist | 22-13-3 |
| 39.0 | 29.0 | New York Islanders | 5 - 4 | Lundqvist | 23-13-3 |
Question:
How many Decembers have calgary flames as the opponent?
Answer:
1.0