CREATE TABLE table_204_508 (id NUMBER, "no." NUMBER, "race title" CLOB, "track" CLOB, "date" CLOB, "tv" CLOB)

what was the number of races aired only by fox ?
SELECT COUNT("race title") FROM table_204_508 WHERE "tv" = 'fox'
SELECT COUNT("race title") FROM "table_204_508" WHERE "tv" = 'fox'