user: Question: Where is the school with State authority that has a roll of more than 157 students?
Columns: ['Name', 'Years', 'Gender', 'Area', 'Authority', 'Decile', 'Roll']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Hilltop School', '1–8', 'Coed', 'Taupo', 'State', 8.0, 555.0]
SQL:

assistant: SELECT "Area" FROM "Table" WHERE "Authority" = 'State' AND "Roll" > 157.0;