How many 3rd ru does Canada have? 
CREATE TABLE "by_country_tally" (
  "rank" real,
  "country" text,
  "miss_united_continent" real,
  "virreina" real,
  "1st_ru" real,
  "2nd_ru" real,
  "3rd_ru" real,
  "4th_ru" real,
  "semifinalists" real,
  "total" real
);
SELECT COUNT("3rd_ru") FROM "by_country_tally" WHERE "country"='Canada';