user: Question: What is the highest decile value with a roll greater than 301 in Hauraki?
Columns: ['Name', 'Years', 'Gender', 'Area', 'Authority', 'Decile', 'Roll']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Bayswater School', '1–6', 'Coed', 'Bayswater', 'State', 9.0, 187.0]
SQL:

assistant: SELECT MAX("Decile") FROM "Table" WHERE "Roll" > 301.0 AND "Area" = 'Hauraki';