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 | October | Opponent | Score | Record |
| --- | --- | --- | --- | --- |
| 1.0 | 12.0 | Philadelphia Flyers | 3 - 3 | 0-0-1 |
| 2.0 | 15.0 | Colorado Rockies | 4 - 1 | 1-0-1 |
| 3.0 | 18.0 | Detroit Red Wings | 3 - 3 | 1-0-2 |
| 4.0 | 19.0 | @ Detroit Red Wings | 2 - 2 | 1-0-3 |
| 5.0 | 21.0 | @ New York Islanders | 5 - 3 | 1-1-3 |
| 6.0 | 22.0 | Toronto Maple Leafs | 5 - 2 | 2-1-3 |
| 7.0 | 25.0 | Vancouver Canucks | 6 - 2 | 3-1-3 |
| 8.0 | 28.0 | @ Montreal Canadiens | 2 - 1 | 4-1-3 |
| 9.0 | 29.0 | Pittsburgh Penguins | 3 - 2 | 5-1-3 |
Question:
Name the least game for october 21
Answer:
5.0