Who is the school, club, team or country that the Rockets played for 1967-68?
CREATE TABLE "a" (
  "player" text,
  "no_s" text,
  "height_in_ft" text,
  "position" text,
  "years_for_rockets" text,
  "school_club_team_country" text
);
SELECT "school_club_team_country" FROM "a" WHERE "years_for_rockets"='1967-68';