user: Question: What is the smallest roll with an Authority of state, a Name of newfield park school, and a Decile smaller than 2?
Columns: ['Name', 'Gender', 'Area', 'Authority', 'Decile', 'Roll']
Types: ['text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Ascot Community School', 'Coed', 'Invercargill', 'State', 3.0, 195.0]
SQL:

assistant: SELECT MIN("Roll") FROM "Table" WHERE "Authority" = 'state' AND "Name" = 'newfield park school' AND "Decile" < 2.0;