CREATE TABLE table_204_741 (id DECIMAL, "rank" DECIMAL, "name" TEXT, "nationality" TEXT, "1 , 62" TEXT, "1 , 67" TEXT, "1 , 72" TEXT, "1 , 75" TEXT, "notes" TEXT)

how many countries are on the chart ?
SELECT COUNT("nationality") FROM table_204_741
SELECT COUNT("nationality") FROM "table_204_741"