Name the most evening gown for average less than 8.793 with interview of 8.51 and swimsuit less than 8.12
CREATE TABLE "preliminary_competition" (
  "state" text,
  "interview" real,
  "swimsuit" real,
  "evening_gown" real,
  "average" real
);
SELECT MAX("evening_gown") FROM "preliminary_competition" WHERE "average"<8.793 AND "swimsuit"<8.12 AND "interview"=8.51;