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:
| Date | Visitor | Score | Home | Record |
| --- | --- | --- | --- | --- |
| December 3 | Calgary | 2 – 5 | Detroit | 15–9–3 |
| December 6 | NY Rangers | 5 – 6 | Detroit | 16–9–3 |
| December 7 | Detroit | 2 – 2 | New Jersey | 16–9–4 |
| December 10 | Chicago | 3 – 5 | Detroit | 17–9–4 |
| December 12 | Quebec | 1 – 4 | Detroit | 18–9–4 |
| December 14 | Detroit | 4 – 3 | Calgary | 19–9–4 |
| December 15 | Detroit | 4 – 1 | Edmonton | 20–9–4 |
| December 17 | Detroit | 1 – 2 | Vancouver | 20–10–4 |
| December 21 | Detroit | 5 – 2 | Los Angeles | 21–10–4 |
| December 28 | Detroit | 5 – 4 | Toronto | 22–10–4 |
| December 29 | Detroit | 6 – 4 | Chicago | 23–10–4 |
| December 31 | Boston | 5 – 3 | Detroit | 23–11–4 |
Question:
Who is the visitor on the date december 31?
Answer:
Boston