Name the numbers for the player with a height in ft of 6-7 for the guard
CREATE TABLE "d" (
  "player" text,
  "no_s" text,
  "height_in_ft" text,
  "position" text,
  "school_club_team_country" text
);
SELECT "no_s" FROM "d" WHERE "height_in_ft"='6-7' AND "position"='guard';