Which Conceded is the highest one that has Points larger than 17, and a Team of guaraní, and Losses smaller than 6?
CREATE TABLE "torneo_clausura" (
  "position" real,
  "team" text,
  "played" real,
  "wins" real,
  "draws" real,
  "losses" real,
  "scored" real,
  "conceded" real,
  "points" real
);
SELECT MAX("conceded") FROM "torneo_clausura" WHERE "points">17 AND "team"='guaraní' AND "losses"<6;