CREATE TABLE table_204_575 (id NUMBER, "place" NUMBER, "position" CLOB, "number" NUMBER, "name" CLOB, "league one" NUMBER, "fa cup" NUMBER, "league cup" NUMBER, "football league trophy" NUMBER, "total" NUMBER)

what was the average number of assists in league one ?
SELECT AVG("league one") FROM table_204_575
SELECT AVG("league one") FROM "table_204_575"