CREATE TABLE table_204_231 (id DECIMAL, "rank" DECIMAL, "nation" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

how many nations are ranked 9th ?
SELECT COUNT("nation") FROM table_204_231 WHERE "rank" = 9
SELECT COUNT("nation") FROM "table_204_231" WHERE "rank" = 9