What is the college/junior/club team of the defence player drafted by the New York Rangers?
CREATE TABLE "round_seven" (
  "pick_num" text,
  "player" text,
  "position" text,
  "nationality" text,
  "nhl_team" text,
  "college_junior_club_team" text
);
SELECT "college_junior_club_team" FROM "round_seven" WHERE "nhl_team"='new york rangers' AND "position"='defence';