user: Question: How many class AA in the year 2002-03
Columns: ['School Year', 'Class A', 'Class AA', 'Class AAA', 'Class AAAA', 'Class AAAAA']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1994-95', 'Menard', 'Van Alstyne', 'Cameron Yoe', 'Wichita Falls', 'Weslaco']
SQL:

assistant: SELECT COUNT("Class AA") FROM "Table" WHERE "School Year" = '2002-03';