CREATE TABLE table_30881 ("Network" CLOB, "Flagship" CLOB, "Programming" CLOB, "Region" CLOB, "Origin" CLOB, "Owner" CLOB)

Which owners originate in Mexico City?
SELECT "Owner" FROM table_30881 WHERE "Origin" = 'Mexico City'
SELECT "Owner" FROM "table_30881" WHERE "Origin" = 'Mexico City'