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 | Decision | Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- |
| December 1 | Colorado | 5 – 2 | Los Angeles | Theodore | 17297.0 | 14–10–1 |
| December 3 | San Jose | 3 – 2 | Colorado | Theodore | 15213.0 | 14–11–1 |
| December 5 | Colorado | 4 – 5 | Columbus | Budaj | 12851.0 | 14–12–1 |
| December 7 | Philadelphia | 1 – 2 | Colorado | Theodore | 16312.0 | 15–12–1 |
| December 9 | St. Louis | 5 – 9 | Colorado | Theodore | 15476.0 | 16–12–1 |
| December 12 | Colorado | 1 – 4 | Columbus | Theodore | 13150.0 | 16–13–1 |
| December 13 | Colorado | 2 – 1 | Nashville | Budaj | 12456.0 | 17–13–1 |
| December 15 | Nashville | 1 – 3 | Colorado | Budaj | 16582.0 | 18–13–1 |
| December 17 | Colorado | 4 – 2 | Los Angeles | Budaj | 16647.0 | 19–13–1 |
| December 19 | Colorado | 1 – 2 | Anaheim | Budaj | 17197.0 | 19–13–2 |
| December 21 | NY Rangers | 3 – 4 | Colorado | Budaj | 16612.0 | 20–13–2 |
| December 23 | Vancouver | 1 – 3 | Colorado | Budaj | 17186.0 | 21–13–2 |
| December 27 | Detroit | 4 – 2 | Colorado | Budaj | 18007.0 | 21–14–2 |
| December 29 | Los Angeles | 3 – 1 | Colorado | Theodore | 17256.0 | 21–15–2 |
| December 31 | Colorado | 3 – 4 | Phoenix | Budaj | 12973.0 | 21–15–3 |
Question:
What day did philadelphia visit?
Answer:
December 7