How many different items appear in the high points column when the location attendance was US Airways Center 18,422?
CREATE TABLE table_17288825_10 (high_points VARCHAR, location_attendance VARCHAR)
SELECT COUNT(high_points) FROM table_17288825_10 WHERE location_attendance = "US Airways Center 18,422"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_17288825_10 (high_points VARCHAR, location_attendance VARCHAR) Question: How many different items appear in the high points column when the location attendance was US Airways Center 18,422? [/INST] SELECT COUNT(high_points) FROM table_17288825_10 WHERE location_attendance = "US Airways Center 18,422" </s>