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 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 77.0 | April 3 | @ Sacramento | W 98–87 (OT) | Brandon Roy (24) | Marcus Camby (15) | Brandon Roy (6) | ARCO Arena 12,875 | 47-30 |
| 78.0 | April 7 | @ LA Clippers | W 93–85 (OT) | LaMarcus Aldridge (27) | LaMarcus Aldridge (12) | Brandon Roy (6) | Staples Center 16,790 | 48-30 |
| 79.0 | April 9 | Dallas | L 77–83 (OT) | LaMarcus Aldridge (27) | Marcus Camby (18) | Brandon Roy (6) | Rose Garden 20,693 | 48-31 |
| 80.0 | April 11 | @ LA Lakers | W 91–88 (OT) | LaMarcus Aldridge (24) | Marcus Camby (17) | Andre Miller (7) | Staples Center 18,997 | 49-31 |
| 81.0 | April 12 | Oklahoma City | W 103–95 (OT) | Marcus Camby (30) | Marcus Camby (13) | Andre Miller (7) | Rose Garden 20,691 | 50-31 |
Question:
When marcus camby (15) has the highest amount of rebounds what is the date?
Answer:
April 3