What is the nationality of a player from linköpings hc (se)?
CREATE TABLE "2013_draft_picks" (
  "round" real,
  "overall" text,
  "player" text,
  "position" text,
  "nationality" text,
  "club_team" text
);
SELECT "nationality" FROM "2013_draft_picks" WHERE "club_team"='linköpings hc (se)';