who is the player for the position defence and the college/junior/club team is ottawa 67's (ohl)?
CREATE TABLE "round_one" (
  "pick_num" real,
  "player" text,
  "position" text,
  "nationality" text,
  "nhl_team" text,
  "college_junior_club_team" text
);
SELECT "player" FROM "round_one" WHERE "position"='Defence' AND "college_junior_club_team"='Ottawa 67''s (OHL)';