Wins of 3, and a Pos. larger than 3 is what average loses?
CREATE TABLE "group_b_b_blingen" (
  "pos" real,
  "matches" real,
  "wins" real,
  "loses" real,
  "results" text,
  "points" real,
  "diff" text
);
SELECT AVG("loses") FROM "group_b_b_blingen" WHERE "wins"=3 AND "pos">3;