what AAA class has a school year of 1989-90?
CREATE TABLE table_name_50 (class_aAA VARCHAR, school_year VARCHAR)
SELECT class_aAA FROM table_name_50 WHERE school_year = "1989-90"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_50 (class_aAA VARCHAR, school_year VARCHAR) Question: what AAA class has a school year of 1989-90? [/INST] SELECT class_aAA FROM table_name_50 WHERE school_year = "1989-90" </s>