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 | January | Opponent | Score | Decision | Location/Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- |
| 38.0 | 1.0 | Boston Bruins | 7-6 (SO) | Miller | HSBC Arena/18,690 | 16-18-4 |
| 39.0 | 4.0 | @ Colorado Avalanche | 3-4 (OT) | Miller | Pepsi Center/12,548 | 16-18-5 |
| 40.0 | 6.0 | @ San Jose Sharks | 3-0 | Miller | HP Pavilion/17,562 | 17-18-5 |
| 41.0 | 8.0 | @ Phoenix Coyotes | 2-1 | Miller | Jobing.com Arena/13,905 | 18-18-5 |
| 42.0 | 11.0 | Philadelphia Flyers | 2-5 | Miller | HSBC Arena/18,155 | 18-19-5 |
| 43.0 | 13.0 | Carolina Hurricanes | 3-2 | Miller | HSBC Arena/18,276 | 19-19-5 |
| 44.0 | 15.0 | @ New York Islanders | 3-5 | Miller | Nassau Veterans Memorial Coliseum/12,223 | 19-20-5 |
| 45.0 | 18.0 | Montreal Canadiens | 4-2 | Miller | HSBC Arena/17,565 | 20-20-5 |
| 46.0 | 20.0 | @ Boston Bruins | 2-1 (OT) | Miller | TD Garden/18,225 | 21-20-5 |
| 47.0 | 21.0 | New York Islanders | 2-5 | Lalime | HSBC Arena/18,690 | 21-21-5 |
| 48.0 | 23.0 | @ New York Islanders | 5-3 | Miller | Nassau Veterans Memorial Coliseum/10,120 | 22-21-5 |
Question:
If the decision was by Lalime, when in January was it made?
Answer:
21.0