CREATE TABLE table_204_796 (id NUMBER, "network name" CLOB, "flagship" CLOB, "programming type" CLOB, "owner" CLOB, "affiliates" NUMBER)

tell me the number of stations tv azteca owns .
SELECT COUNT("network name") FROM table_204_796 WHERE "owner" = 'tv azteca'
SELECT COUNT("network name") FROM "table_204_796" WHERE "owner" = 'tv azteca'