The correct answer to this open question is the following.
The two Latin American countries that produce the most television programming are Mexico and Brazil.
The biggest TV Media company in Mexico is "Televisa," that since creation in 1973 has produced the most TV content for Latin America, Spain, and their programs have been exported to faraway countries such as China. The second biggest TV company in Mexico is "Televisión Azteca," followed by "Multimedios." The biggest TV company in Brazil is "TV Globo," that produces so much TV content that is exported to other Latin American countries and Spain, through "Antena 3" Spanish channel.