When  sault ste. marie greyhounds (oha) is the  college, junior, or club team how many nationalities are there?
CREATE TABLE "round_nine" (
  "pick_num" real,
  "player" text,
  "position" text,
  "nationality" text,
  "nhl_team" text,
  "college_junior_club_team" text
);
SELECT COUNT("nationality") FROM "round_nine" WHERE "college_junior_club_team"='Sault Ste. Marie Greyhounds (OHA)';