Question: What is the Onehunga school with a decile 3 and smaller than 310 rolls?
SQL: SELECT "Name" FROM "2-12017602-15" WHERE "Decile" = '3' AND "Roll" < 310.0 AND "Area" = 'Onehunga';

Question: What is the authority status of the school in Ellerslie with a decile of 7?
SQL: SELECT "Authority" FROM "2-12017602-15" WHERE "Area" = 'Ellerslie' AND "Decile" = '7';

Question: What is the biggest roll number of Sylvia Park School, which has a State authority?
SQL: SELECT MAX("Roll") FROM "2-12017602-15" WHERE "Authority" = 'State' AND "Name" = 'Sylvia Park School';

Question: What is the name of the school with a decile of 1, a State authority, and located in Otahuhu?
SQL: SELECT "Name" FROM "2-12017602-15" WHERE "Decile" = '1' AND "Authority" = 'State' AND "Area" = 'Otahuhu';