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 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 73.0 | April 1 | Denver | L 103–114 | Earl Watson (28) | Rashard Lewis (9) | Luke Ridnour (8) | KeyArena 16,659 | 30–43 |
| 74.0 | April 3 | @ San Antonio | L 91–110 | Chris Wilcox (20) | Nick Collison , Luke Ridnour (4) | Earl Watson , Mike Wilks (4) | AT&T Center 18,583 | 30–44 |
| 75.0 | April 4 | @ New Orleans / Oklahoma City | L 92–101 (OT) | Rashard Lewis (27) | Rashard Lewis (10) | Luke Ridnour (5) | Ford Center 17,021 | 30–45 |
| 76.0 | April 6 | L. A. Lakers | L 109–112 | Chris Wilcox (32) | Chris Wilcox (18) | Earl Watson (8) | KeyArena 17,072 | 30–46 |
| 77.0 | April 7 | @ Utah | W 106–103 | Rashard Lewis (35) | Rashard Lewis (8) | Earl Watson (9) | EnergySolutions Arena 19,911 | 31–46 |
| 78.0 | April 9 | Houston | L 90–95 | Rashard Lewis (20) | Nick Collison (13) | Mike Wilks (8) | KeyArena 16,004 | 31–47 |
| 79.0 | April 11 | @ Phoenix | L 91–109 | Rashard Lewis (30) | Chris Wilcox (12) | Mike Wilks (6) | US Airways Center 18,422 | 31–48 |
| 80.0 | April 14 | @ Portland | L 102–108 | Rashard Lewis (29) | Chris Wilcox (11) | wlks (11) | KeyArena 19,980 | 31–49 |
| 81.0 | April 15 | @ L. A. Lakers | L 98–109 | Rashard Lewis (24) | Chris Wilcox (10) | Mike Wilks (8) | Staples Center 18,997 | 31–50 |
Question:
The location attendance is ford center 17,021 on what dates?
Answer:
April 4