When was radek necas with less than 2.04 height born?
CREATE TABLE "fiba_euro_basket_2007_squads" (
  "player" text,
  "height" real,
  "position" text,
  "year_born" real,
  "current_club" text
);
SELECT AVG("year_born") FROM "fiba_euro_basket_2007_squads" WHERE "player"='radek necas' AND "height"<2.04;