user: Question: What School Year has a Class AAAA of Dickinson?
Columns: ['School Year', 'Class A', 'Class AA', 'Class AAA', 'Class AAAA', 'Class AAAAA']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1987-88', 'Yantis', 'Blanco', 'Atlanta', 'Schertz Clemens', 'San Antonio Marshall']
SQL:

assistant: SELECT "School Year" FROM "Table" WHERE "Class AAAA" = 'Dickinson';