How many semifinalists has Romania had? 
CREATE TABLE "references" (
  "rank" real,
  "country_territory" text,
  "miss_earth" text,
  "miss_air" real,
  "miss_water" real,
  "miss_fire" real,
  "semifinalists" real,
  "total" real
);
SELECT "semifinalists" FROM "references" WHERE "country_territory"='Romania';