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 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 75.0 | April 2 | L. A. Clippers | L 84–102 (OT) | Kevin Durant (30) | Nick Collison (17) | Luke Ridnour (6) | KeyArena 10,392 | 17–58 |
| 76.0 | April 4 | Houston | L 66–79 (OT) | Nick Collison (15) | Johan Petro (15) | Three players (4) | KeyArena 14,170 | 17–59 |
| 77.0 | April 6 | Denver | W 151–147 (2OT) | Kevin Durant (37) | Nick Collison (14) | Earl Watson (11) | KeyArena 13,104 | 18–59 |
| 78.0 | April 8 | @ Dallas | L 83–99 (OT) | Earl Watson (22) | Jeff Green (8) | Earl Watson (8) | American Airlines Center 20,228 | 18–60 |
| 79.0 | April 9 | @ Houston | L 80–103 (OT) | Kevin Durant (26) | Nick Collison (15) | Earl Watson (8) | Toyota Center 18,370 | 18–61 |
| 80.0 | April 11 | @ San Antonio | L 74–95 (OT) | Kevin Durant (20) | Nick Collison (14) | Luke Ridnour (4) | AT&T Center 18,797 | 18–62 |
| 81.0 | April 13 | Dallas | W 99–95 (OT) | Earl Watson (21) | Nick Collison (11) | Earl Watson (10) | KeyArena 16,272 | 19–62 |
Question:
Who had the high assists when the high rebounds were from Nick Collison (15)?
Answer:
Earl Watson (8)