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:
| Distance | Time | Date | Location | Notes |
| --- | --- | --- | --- | --- |
| Men's Speed skating | Men's Speed skating | Men's Speed skating | Men's Speed skating | Men's Speed skating |
| Distance | Time | Date | Location | Notes |
| 500 m | 36.85 | 2009-12-11 | Salt Lake City | Utah Olympic Oval |
| 1,000 m | 1:12.55 | 2009-12-13 | Salt Lake City | Utah Olympic Oval |
| 1,500 m | 1:54.81 | 2007-11-16 | Calgary | Olympic Oval |
| 3,000 m | 4:11.65 | 2007-12-28 | Berlin | Sportforum Hohenschönhausen |
| 5,000 m | 6:57.55 | 2007-11-17 | Calgary | Olympic Oval |
Question:
What's the date when the location is Berlin?
Answer:
2007-12-28