what is the number of the chosen club where the hc dukla trenčín (slovakia) is from
CREATE TABLE "round_three" (
  "pick" real,
  "player" text,
  "position" text,
  "nationality" text,
  "nhl_team" text,
  "college_junior_club_team" text
);
SELECT COUNT("pick") FROM "round_three" WHERE "college_junior_club_team"='HC Dukla Trenčín (Slovakia)';