CREATE TABLE table_204_877 (id NUMBER, "place" NUMBER, "position" CLOB, "number" NUMBER, "name" CLOB, "league two" NUMBER, "fa cup" NUMBER, "league cup" NUMBER, "fl trophy" NUMBER, "total" NUMBER)

how many players play either mf or df ?
SELECT COUNT("name") FROM table_204_877 WHERE "position" IN ('mf', 'df')
SELECT COUNT("name") FROM "table_204_877" WHERE "position" IN ('mf', 'df')