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 | Points |
| --- | --- | --- | --- | --- | --- |
| 12.0 | 1.0 | @ Buffalo Sabres | 2–6 | 8–3–1 | 17.0 |
| 13.0 | 5.0 | New York Rangers | 2–6 | 8–4–1 | 17.0 |
| 14.0 | 7.0 | @ Pittsburgh Penguins | 2–7 | 8–5–1 | 17.0 |
| 15.0 | 12.0 | Hartford Whalers | 5–3 | 9–5–1 | 19.0 |
| 16.0 | 14.0 | @ Toronto Maple Leafs | 0–4 | 9–6–1 | 19.0 |
| 17.0 | 15.0 | New York Islanders | 5–4 | 10–6–1 | 21.0 |
| 18.0 | 18.0 | @ New York Rangers | 2–5 | 10–7–1 | 21.0 |
| 19.0 | 21.0 | @ Washington Capitals | 4–10 | 10–8–1 | 21.0 |
| 20.0 | 22.0 | Washington Capitals | 2–3 | 10–9–1 | 21.0 |
| 21.0 | 24.0 | Toronto Maple Leafs | 6–3 | 11–9–1 | 23.0 |
| 22.0 | 26.0 | @ Boston Bruins | 3–1 | 12–9–1 | 25.0 |
| 23.0 | 28.0 | @ Minnesota North Stars | 3–5 | 12–10–1 | 25.0 |
Question:
How many points have November of 15?
Answer:
21.0