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

which owner has the most networks ?
SELECT "owner" FROM table_204_796 GROUP BY "owner" ORDER BY COUNT("network name") DESC LIMIT 1
SELECT "owner" FROM "table_204_796" GROUP BY "owner" ORDER BY COUNT("network name") DESC FETCH FIRST 1 ROWS ONLY