user: Question: Name the years when decile was less than 7 for Waitoa School
Columns: ['Name', 'Years', 'Gender', 'Area', 'Authority', 'Decile', 'Roll']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['David Street School', '1–6', 'Coed', 'Morrinsville', 'State', 5.0, 465.0]
SQL:

assistant: SELECT "Years" FROM "Table" WHERE "Decile" < 7.0 AND "Name" = 'Waitoa School';