user: Question: Tell me the name for Kelston with roll less than 322
Columns: ['Name', 'Years', 'Gender', 'Area', 'Authority', 'Decile', 'Roll']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Arahoe School', '1–6', 'Coed', 'New Lynn', 'State', 5.0, 634.0]
SQL:

assistant: SELECT "Name" FROM "Table" WHERE "Area" = 'Kelston' AND "Roll" < 322.0;