Name the lowest average for interview more than 9.57 and delaware and evening gown more than 9.77
CREATE TABLE "scores" (
  "country" text,
  "interview" real,
  "swimsuit" real,
  "evening_gown" real,
  "average" real
);
SELECT MIN("average") FROM "scores" WHERE "interview">9.57 AND "country"='delaware' AND "evening_gown">9.77;