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 1 | @ Phoenix | L 109–114 (OT) | Ron Artest (28) | Yao Ming (14) | Aaron Brooks (5) | US Airways Center 18,422 | 48–27 |
| 76.0 | April 3 | @ L.A. Lakers | L 81–93 (OT) | Ron Artest (21) | Yao Ming (10) | Aaron Brooks (6) | Staples Center 18,997 | 48–28 |
| 77.0 | April 5 | Portland | W 102–88 (OT) | Yao Ming (21) | Yao Ming (12) | Kyle Lowry (6) | Toyota Center 18,214 | 49–28 |
| 78.0 | April 7 | Orlando | W 93–83 (OT) | Yao Ming (20) | Yao Ming (16) | Ron Artest (7) | Toyota Center 18,389 | 50–28 |
| 80.0 | April 10 | @ Golden State | W 113–109 (OT) | Luis Scola (28) | Dikembe Mutombo (15) | Ron Artest (6) | Oracle Arena 19,596 | 52–28 |
| 81.0 | April 13 | New Orleans | W 86–66 (OT) | Yao Ming (22) | Luis Scola (15) | Ron Artest (5) | Toyota Center 18,409 | 53–28 |
Question:
How many different items appear in the high points column when the location attendance was US Airways Center 18,422?
Answer:
1.0