CREATE TABLE table_204_618 (id NUMBER, "place" NUMBER, "position" CLOB, "number" NUMBER, "name" CLOB, "nasl" NUMBER, "playoffs" NUMBER, "cfu club championship" NUMBER, "concacaf champions league" NUMBER, "total" NUMBER)

how many different positions are there ?
SELECT COUNT(DISTINCT "position") FROM table_204_618
SELECT COUNT(DISTINCT "position") FROM "table_204_618"