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 | November | Opponent | Score | Location/Attendance | Record | Points |
| --- | --- | --- | --- | --- | --- | --- |
| 12.0 | 3.0 | @ Carolina Hurricanes | 7-2 | RBC Center (13,043) | 4-6-2 | 10.0 |
| 13.0 | 4.0 | @ Ottawa Senators | 4-1 | Scotiabank Place (17,752) | 4-7-2 | 10.0 |
| 14.0 | 6.0 | Philadelphia Flyers | 2-1 | Nassau Veterans Memorial Coliseum (13,078) | 4-8-2 | 10.0 |
| 15.0 | 10.0 | @ Anaheim Ducks | 1-0 | Honda Center (14,393) | 4-9-2 | 10.0 |
| 16.0 | 11.0 | @ San Jose Sharks | 2-1 (SO) | HP Pavilion (17,562) | 4-9-3 | 11.0 |
| 17.0 | 13.0 | @ Los Angeles Kings | 5-1 | Staples Center (18,118) | 4-10-3 | 11.0 |
| 18.0 | 17.0 | Tampa Bay Lightning | 4-2 | Nassau Veterans Memorial Coliseum (8,025) | 4-11-3 | 11.0 |
| 19.0 | 20.0 | Florida Panthers | 4-1 | Nassau Veterans Memorial Coliseum (9,157) | 4-12-3 | 11.0 |
| 20.0 | 21.0 | @ Atlanta Thrashers | 2-1 (OT) | Philips Arena (10,066) | 4-12-4 | 12.0 |
| 21.0 | 24.0 | Columbus Blue Jackets | 4-3 (OT) | Nassau Veterans Memorial Coliseum (8,652) | 4-12-5 | 13.0 |
Question:
What is the highest entry in November for the game 20?
Answer:
21.0