user: ### NOW ANSWER:
Question: For a school with authority of State and a roll of 798, what is the decile?
Columns: ['Name', 'Years', 'Gender', 'Area', 'Authority', 'Decile', 'Roll']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Allandale School', '1–6', 'Coed', 'Kopeopeo', 'State', 3.0, 419.0]
SQL:

assistant: SELECT "Decile" FROM "Table" WHERE "Authority" = 'State' AND "Roll" = 798.0;