What is the rank by average for the team who averaged 22.8?
CREATE TABLE "averages" (
  "rank_by_average" real,
  "place" real,
  "couple" text,
  "total_points" real,
  "number_of_dances" real,
  "average" text
);
SELECT MIN("rank_by_average") FROM "averages" WHERE "average"='22.8';