Which Average is the lowest one that has a Total smaller than 134, and a Number of dances smaller than 3, and a Rank by average smaller than 12?
CREATE TABLE "average_chart" (
  "rank_by_average" real,
  "place" real,
  "couple" text,
  "total" real,
  "number_of_dances" real,
  "average" real
);
SELECT MIN("average") FROM "average_chart" WHERE "total"<134 AND "number_of_dances"<3 AND "rank_by_average"<12;