CREATE TABLE table_204_779 (id DECIMAL, "network name" TEXT, "flagship" TEXT, "programming type" TEXT, "owner" TEXT, "affiliates" DECIMAL)

what is the number of networks that are owned by televisa ?
SELECT COUNT("network name") FROM table_204_779 WHERE "owner" = 'televisa'
SELECT COUNT("network name") FROM "table_204_779" WHERE "owner" = 'televisa'