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

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