CREATE TABLE "new_plymouth_district" (
  "name" text,
  "years" text,
  "area" text,
  "authority" text,
  "decile" real,
  "roll" real
);

Question: Which school has a decile of 8 and a roll of 705?
SQL: SELECT "name" FROM "new_plymouth_district" WHERE "decile"=8 AND "roll"=705;

Question: What is the roll of the school in Oakura?
SQL: SELECT SUM("roll") FROM "new_plymouth_district" WHERE "area"='oakura';

Question: What is the avererage decile of Francis Douglas Memorial College?
SQL: SELECT AVG("decile") FROM "new_plymouth_district" WHERE "name"='francis douglas memorial college';