How many different items appear in he attendance column at Sun Devil Stadium?
CREATE TABLE table_23718905_6 (attendance VARCHAR, stadium VARCHAR)
SELECT COUNT(attendance) FROM table_23718905_6 WHERE stadium = "Sun Devil stadium"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23718905_6 (attendance VARCHAR, stadium VARCHAR) Question: How many different items appear in he attendance column at Sun Devil Stadium? [/INST] SELECT COUNT(attendance) FROM table_23718905_6 WHERE stadium = "Sun Devil stadium" </s>