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 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 60.0 | March 2 | Boston | L 100–105 (OT) | Jonas Jerebko (16) | Ben Wallace (12) | Richard Hamilton (7) | The Palace of Auburn Hills 17,956 | 21-39 |
| 61.0 | March 3 | @ New York | L 104–128 (OT) | Tayshaun Prince , Rodney Stuckey (16) | Jonas Jerebko (13) | Rodney Stuckey (6) | Madison Square Garden 19,341 | 21-40 |
| 62.0 | March 5 | @ Cleveland | L 92–99 (OT) | Tayshaun Prince (23) | Jonas Jerebko (12) | Rodney Stuckey (10) | Quicken Loans Arena 20,562 | 21-41 |
| 63.0 | March 7 | Houston | W 110–107 (OT) | Tayshaun Prince (29) | Jason Maxiell (16) | Will Bynum (11) | The Palace of Auburn Hills 18,422 | 22-41 |
| 64.0 | March 10 | Utah | L 104–115 (OT) | Charlie Villanueva (19) | Jason Maxiell (11) | Richard Hamilton (7) | The Palace of Auburn Hills 16,908 | 22-42 |
| 65.0 | March 12 | Washington | W 101–87 (OT) | Jonas Jerebko , Tayshaun Prince (18) | Jason Maxiell (10) | Will Bynum (20) | The Palace of Auburn Hills 20,273 | 23-42 |
| 66.0 | March 13 | @ Atlanta | L 99–112 (OT) | Jason Maxiell (19) | Jason Maxiell (12) | Will Bynum (7) | Philips Arena 18,214 | 23-43 |
| 67.0 | March 15 | @ Boston | L 93–119 (OT) | Will Bynum (16) | Jason Maxiell (10) | Will Bynum (6) | TD Garden 18,624 | 23-44 |
| 68.0 | March 16 | Cleveland | L 101–113 (OT) | Richard Hamilton (24) | Jason Maxiell (15) | Tayshaun Prince (8) | The Palace of Auburn Hills 22,076 | 23-45 |
| 69.0 | March 19 | @ Indiana | L 102–106 (OT) | Rodney Stuckey (25) | Ben Gordon , Ben Wallace (7) | Ben Gordon (6) | Conseco Fieldhouse 13,583 | 23-46 |
| 70.0 | March 21 | @ Cleveland | L 79–104 (OT) | Jason Maxiell (16) | Jason Maxiell (9) | Will Bynum , Ben Gordon (5) | Quicken Loans Arena 20,562 | 23-47 |
| 71.0 | March 23 | Indiana | L 83–98 (OT) | Tayshaun Prince (14) | Kwame Brown (15) | Tayshaun Prince (6) | The Palace of Auburn Hills 17,109 | 23-48 |
| 72.0 | March 26 | @ New Jersey | L 110–118 (OT) | Tayshaun Prince (27) | Jason Maxiell (11) | Tayshaun Prince , Rodney Stuckey (7) | Izod Center 13,469 | 23-49 |
| 73.0 | March 28 | Chicago | L 103–110 (OT) | Richard Hamilton (29) | Jason Maxiell (10) | Tayshaun Prince (6) | The Palace of Auburn Hills 22,076 | 23-50 |
Question:
What date was the Piston's record at 23-47?
Answer:
March 21