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 | Record |
| --- | --- | --- | --- | --- |
| 11.0 | 1.0 | @ Chicago Black Hawks | 3 - 2 | 7-3-1 |
| 12.0 | 4.0 | @ Pittsburgh Penguins | 6 - 4 | 7-4-1 |
| 13.0 | 5.0 | @ Philadelphia Flyers | 3 - 2 | 8-4-1 |
| 14.0 | 8.0 | Vancouver Canucks | 5 - 2 | 9-4-1 |
| 15.0 | 11.0 | California Golden Seals | 7 - 2 | 10-4-1 |
| 16.0 | 12.0 | Los Angeles Kings | 5 - 1 | 11-4-1 |
| 17.0 | 15.0 | Philadelphia Flyers | 7 - 3 | 12-4-1 |
| 18.0 | 18.0 | @ St. Louis Blues | 3 - 1 | 13-4-1 |
| 19.0 | 19.0 | Pittsburgh Penguins | 5 - 3 | 13-5-1 |
| 20.0 | 21.0 | @ Atlanta Flames | 3 - 1 | 14-5-1 |
| 21.0 | 23.0 | @ Buffalo Sabres | 5 - 3 | 14-6-1 |
| 22.0 | 26.0 | Toronto Maple Leafs | 7 - 4 | 15-6-1 |
| 23.0 | 28.0 | @ Vancouver Canucks | 2 - 1 | 15-7-1 |
| 24.0 | 29.0 | @ Los Angeles Kings | 2 - 2 | 15-7-2 |
Question:
What is the earliest day in November with a record of 15-7-1?
Answer:
28.0