What is the best preliminary score from a contestant from Oklahoma with evening gown less than 8.853?
CREATE TABLE "final_competition_scores" (
  "state" text,
  "preliminary" real,
  "interview" real,
  "swimsuit" real,
  "evening_gown" real,
  "average" real
);
SELECT MAX("preliminary") FROM "final_competition_scores" WHERE "state"='oklahoma' AND "evening_gown"<8.853;