Which Rank is the Country of soviet union with a Total smaller than 19?
CREATE TABLE "total_team_ranking" (
  "rank" real,
  "country" text,
  "1st_place" real,
  "2nd_place" real,
  "3rd_place" real,
  "total" real
);
SELECT MIN("rank") FROM "total_team_ranking" WHERE "country"='soviet union' AND "total"<19;