Can you tell me the College/Junior/Club Team that has the Position of defence, and the Nationality of czechoslovakia?
CREATE TABLE "draft_picks" (
  "round" real,
  "player" text,
  "position" text,
  "nationality" text,
  "college_junior_club_team" text
);
SELECT "college_junior_club_team" FROM "draft_picks" WHERE "position"='defence' AND "nationality"='czechoslovakia';