Tell me the name with decile of 6 and roll of 93
CREATE TABLE "waikato_district" (
  "name" text,
  "years" text,
  "gender" text,
  "area" text,
  "authority" text,
  "decile" text,
  "roll" real
);
SELECT "name" FROM "waikato_district" WHERE "decile"='6' AND "roll"=93;