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:
| # | Date | Visitor | Score | Home | Leading scorer | Attendance | Record | Streak |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 60.0 | March 2 | Portland Trail Blazers | L 104–110 | Golden State Warriors | Jackson : 29 | Oracle Arena 19,596 | 31–29 | L1 |
| 61.0 | March 4 | Phoenix Suns | L 97–92 | Portland Trail Blazers | Roy : 25 | Rose Garden 20,595 | 31–30 | L2 |
| 62.0 | March 7 | Portland Trail Blazers | W 103–101 | Milwaukee Bucks | Aldridge : 29 | Bradley Center 15,537 | 32–30 | W1 |
| 63.0 | March 8 | Portland Trail Blazers | W 120–114 OT | New York Knicks | Robinson : 45 | Madison Square Garden 19,763 | 33–30 | W2 |
| 64.0 | March 10 | Portland Trail Blazers | L 80–88 | Cleveland Cavaliers | Aldridge : 25 | Quicken Loans Arena 20,213 | 33–31 | L1 |
| 65.0 | March 11 | Portland Trail Blazers | W 103–96 | Minnesota Timberwolves | Roy : 27 | Target Center 13,433 | 34–31 | W1 |
| 66.0 | March 13 | Portland Trail Blazers | L 85–96 | Sacramento Kings | Artest : 22 | ARCO Arena 13,333 | 34–32 | L1 |
| 67.0 | March 15 | Minnesota Timberwolves | W 96–107 | Portland Trail Blazers | Aldridge : 26 | Rose Garden 20,079 | 35–32 | W1 |
| 68.0 | March 18 | Phoenix Suns | L 111–98 | Portland Trail Blazers | Aldridge : 31 | Rose Garden 20,580 | 35–33 | L1 |
| 69.0 | March 21 | Los Angeles Clippers | W 102–107 | Portland Trail Blazers | Mobley : 24 | Rose Garden 19,980 | 36–33 | W1 |
| 70.0 | March 22 | Portland Trail Blazers | W 83–72 | Los Angeles Clippers | Roy : 23 | Staples Center 18,248 | 37–33 | W2 |
| 71.0 | March 24 | Portland Trail Blazers | L 84–97 | Seattle SuperSonics | Durant : 23 | KeyArena 11,292 | 37–34 | L1 |
| 72.0 | March 25 | Washington Wizards | W 82–102 | Portland Trail Blazers | Webster : 23 | Rose Garden 19,980 | 38–34 | W1 |
| 73.0 | March 27 | Portland Trail Blazers | L 95–111 | Golden State Warriors | Jackson : 24 | Oracle Arena 19,732 | 38–35 | L1 |
Question:
 what's the date where visitor is phoenix suns and record is 31–30
Answer:
March 4