What was their position when the score of B was less than 9.05, a total was 15.275, and A Score larger than 6.4?
CREATE TABLE "qualified_competitors" (
  "position" real,
  "gymnast" text,
  "a_score" real,
  "b_score" real,
  "total" real
);
SELECT AVG("position") FROM "qualified_competitors" WHERE "b_score"<9.05 AND "total"=15.275 AND "a_score">6.4;