What's the Nationality of Round 8 Vancouver Canucks NHL Team of Swift Current Broncos (WHL)?
CREATE TABLE "draft_picks" (
  "round" real,
  "player" text,
  "nationality" text,
  "nhl_team" text,
  "college_junior_club_team_league" text
);
SELECT "nationality" FROM "draft_picks" WHERE "nhl_team"='vancouver canucks' AND "college_junior_club_team_league"='swift current broncos (whl)' AND "round"=8;