Name the sum of year for olimpija ljubljana with height less than 2.04
CREATE TABLE "fiba_euro_basket_2007_squads" (
  "player" text,
  "height" real,
  "position" text,
  "year_born" real,
  "current_club" text
);
SELECT SUM("year_born") FROM "fiba_euro_basket_2007_squads" WHERE "current_club"='olimpija ljubljana' AND "height"<2.04;