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 |
| --- | --- | --- | --- | --- | --- | --- |
| February 2 | St. Louis | 3 – 4 | Detroit | Osgood | 19384.0 | 32–11–7 |
| February 4 | Phoenix | 4 – 5 | Detroit | Osgood | 19821.0 | 33–11–7 |
| February 7 | Edmonton | 3 – 8 | Detroit | Conklin | 20066.0 | 34–11–7 |
| February 8 | Detroit | 3 – 0 | Pittsburgh | Conklin | 17132.0 | 35–11–7 |
| February 10 | Detroit | 5 – 3 | Nashville | Conklin | 15077.0 | 36–11–7 |
| February 12 | Minnesota | 2 – 4 | Detroit | Osgood | 20066.0 | 37–11–7 |
| February 13 | Detroit | 2 – 3 | Columbus | Osgood | 18802.0 | 37–12–7 |
| February 15 | Colorado | 6 – 5 | Detroit | Osgood | 20066.0 | 37–12–8 |
| February 18 | Nashville | 2 – 6 | Detroit | Conklin | 20066.0 | 38–12–8 |
| February 20 | Anaheim | 2 – 5 | Detroit | Conklin | 20066.0 | 39–12–8 |
| February 21 | Detroit | 2 – 5 | Minnesota | Howard | 18568.0 | 39–13–8 |
| February 25 | San Jose | 1 – 4 | Detroit | Conklin | 20066.0 | 40–13–8 |
| February 27 | Los Angeles | 1 – 2 | Detroit | Osgood | 20066.0 | 41–13–8 |
| February 28 | Detroit | 0 – 8 | Nashville | Conklin | 17113.0 | 41–14–8 |
Question:
Which Visitor has a Decision of osgood, and a Date of february 15?
Answer:
Colorado