If the POS is 4, what is the total PLD?
CREATE TABLE "relegation" (
  "pos" real,
  "team" text,
  "07_pts" real,
  "08_pts" real,
  "09_pts" real,
  "total_pts" real,
  "total_pld" real,
  "avg" text
);
SELECT "total_pld" FROM "relegation" WHERE "pos"=4;