CREATE TABLE table_204_796 (id DECIMAL, "network name" TEXT, "flagship" TEXT, "programming type" TEXT, "owner" TEXT, "affiliates" DECIMAL)

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'