user: Question: Which decile features Mayfield School?
Columns: ['Name', 'Years', 'Gender', 'Area', 'Authority', 'Decile', 'Roll']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Bairds Mainfreight Primary School', '1–6', 'Coed', 'Otara', 'State', 1.0, 372.0]
SQL:

assistant: SELECT "Decile" FROM "Table" WHERE "Name" = 'Mayfield School';