What is the semifinal average where the preliminary average is 9.084 (1) ?
CREATE TABLE "final_competition" (
  "state" text,
  "preliminary_average" text,
  "interview" text,
  "swimsuit" text,
  "evening_gown" text,
  "semifinal_average" text
);
SELECT "semifinal_average" FROM "final_competition" WHERE "preliminary_average"='9.084 (1)';