What is the roll number of Orautoha school in Raetihi, which has a decile smaller than 8?
CREATE TABLE "ruapehu_district" (
  "name" text,
  "years" text,
  "area" text,
  "authority" text,
  "decile" real,
  "roll" real
);
SELECT SUM("roll") FROM "ruapehu_district" WHERE "area"='raetihi' AND "name"='orautoha school' AND "decile"<8;