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 | Date | Team | Score | High points | High rebounds | High assists | Location Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 15.0 | December 1 | @ Milwaukee | W 117–91 | Wallace (20) | Wallace (10) | Billups (9) | Bradley Center 17,326 | 10–5 |
| 16.0 | December 2 | New Jersey | W 118–95 | Hamilton (19) | Maxiell (11) | Billups (9) | The Palace of Auburn Hills 22,076 | 11–5 |
| 17.0 | December 4 | @ Atlanta | W 106–95 | Prince (23) | Maxiell (9) | Billups (10) | Philips Arena 12,754 | 12–5 |
| 18.0 | December 5 | @ New Orleans | W 91–76 | Hamilton (21) | Wallace (10) | Billups (7) | New Orleans Arena 10,312 | 13–5 |
| 19.0 | December 7 | Chicago | L 98–91 | Billups (27) | Prince (8) | Billups (7) | The Palace of Auburn Hills 22,076 | 13–6 |
| 20.0 | December 9 | Charlotte | W 104–85 | Billups (20) | McDyess (9) | Billups (6) | The Palace of Auburn Hills 22,076 | 14–6 |
| 21.0 | December 11 | @ Memphis | W 113–103 | Billups (28) | Prince (7) | Billups (14) | FedExForum 11,962 | 15–6 |
| 22.0 | December 12 | @ Houston | L 80–77 | Wallace (21) | Maxiell (13) | Billups (7) | Toyota Center 17,453 | 15–7 |
| 23.0 | December 14 | Atlanta | W 91–81 | Billups (23) | McDyess (14) | Prince (5) | The Palace of Auburn Hills 22,076 | 16–7 |
| 24.0 | December 16 | Golden State | W 109–87 | Prince (23) | McDyess (11) | Hamilton (6) | The Palace of Auburn Hills 22,076 | 17–7 |
| 25.0 | December 19 | @ Boston | W 87–85 | Billups (28) | Wallace (13) | Billups (8) | TD Banknorth Garden 18,624 | 18–7 |
| 26.0 | December 21 | Memphis | W 94–67 | Prince (16) | McDyess (11) | Billups (7) | The Palace of Auburn Hills 22,076 | 19–7 |
| 27.0 | December 23 | Houston | W 94–82 | Hamilton (17) | McDyess (11) | Billups (8) | The Palace of Auburn Hills 22,076 | 20–7 |
| 28.0 | December 26 | @ New Jersey | W 101–83 | Hamilton (22) | McDyess (9) | Billups (10) | Izod Center 18,055 | 21–7 |
| 29.0 | December 28 | Indiana | W 114–101 | Hamilton (23) | Johnson (9) | Hamilton (9) | The Palace of Auburn Hills 22,076 | 22–7 |
| 30.0 | December 29 | @ Indiana | W 98–92 | Hamilton (24) | Wallace (10) | Billups (7) | Conseco Fieldhouse 14,960 | 23–7 |
Question:
Which date was the team playing @ Memphis?
Answer:
December 11