Question: What ethnicity are both Los Ántrax and Ismael Zambada García?

Context paragraphs:
Serafín Zambada Ortiz: Serafín Zambada Ortiz (born 27 May 1990) is a United States-born Mexican drug trafficker and son of Ismael "El Mayo" Zambada, one of the top leaders of the Sinaloa Cartel.  He is married to Karime Ellameli Torres Acosta, the daughter of the late Manuel Torres Félix ("The Crazy One"), another Sinaloa Cartel drug lord.  Zambada Ortiz was active on social media, where he posted pictures of his extravagant lifestyle.

Ismael Zambada García: Ismael Zambada García (born 1 January 1948), also known as El Mayo Zambada, is a Mexican drug lord who serves as the leader of the Sinaloa Cartel.  Before assuming leadership of the entire cartel, he served as the logistical coordinator for the Zambada-García faction of the Sinaloa Cartel which has assisted in the exporting of cocaine and heroin into Chicago and other U.S. cities by train, ship, jet and submarine.

Los Ántrax: Los Ántrax is an enforcer gang of the Mexican drug trafficking organization known as the Sinaloa Cartel.  The group was led by the drug lords Jesús Peña ("El 20") and Rodrigo Aréchiga Gamboa ("El Chino Ántrax"), and they are responsible for a number of homicides and for providing armed security services to Ismael "El Mayo" Zambada.  The gang operates in the capital city of Culiacán, Sinaloa, where its members conduct homicides and violent attacks.

Ismael García: Ismael García (born in 1954) is a Venezuelan politician.  He was the leader of For Social Democracy, a socialist party which won the second most seats in the National Assembly of Venezuela in the 2005 election.

Gonzalo Inzunza Inzunza: Gonzalo Inzunza Inzunza (17 August 1971 – 18 December 2013), commonly referred to by his alias El Macho Prieto, was a Mexican drug lord and high-ranking leader of the Sinaloa Cartel, a Mexican transnational criminal organization.  He worked as the cartel's assassins chief under the tutelage of Ismael "El Mayo" Zambada and as the regional leader of the cartel in the states of Baja California and Sonora.  His base of operations was in Mexicali, where he coordinated marijuana and cocaine shipments through the Calexico–Mexicali border region.  On 18 December 2013, Inzunza Inzunza was killed in a shootout with Mexican authorities in the resort area of Puerto Peñasco, Sonora.  Before the gunfight was over, several of his gunmen took the corpse of the drug lord with them.

Ismael Benavides Ferreyros: Ismael Benavides Ferreyros (b. 1945) was the Peruvian Minister of Economy and Finance under President Alan García since September 2010.

Arturo Montero: Ismael Arturo Montero García (Mexico City, 1961) is considered a prominent mountaineer and speleologist due to his archaeological researches in high mountains and caves of Mesoamerica.  In 2009, he led the expedition which discovered the world’s highest place in the Earth´s Equator path.  Recently, he has concentrated his efforts on archaeoastronomy, proposing orientation models that have been published in many different academic media.  He is a member of the Sistema Nacional de Investigadores del Consejo Nacional de Ciencia y Tecnología (CONACYT), Level 1.

Cristina Guzmán (1943 film): Cristina Guzmán is a 1943 Spanish drama film directed by Gonzalo Delgrás and starring Marta Santaolalla, Ismael Merlo and Luis García Ortega.  It was made by CIFESA, Spain's dominant film studio of the era.  The film is an adaptation of the 1936 novel "Cristina Guzmán" by Carmen de Icaza which was later remade in 1968.

Javier Torres Félix: Javier Torres Félix (born 19 October 1960) is an imprisoned Mexican drug lord and former high-ranking leader of the Sinaloa Cartel, a drug trafficking organization.  He is the brother of the deceased drug lord Manuel Torres Félix and the former right-hand man of Ismael "El Mayo" Zambada, a top cartel leader.

Claudia Ochoa Félix: Claudia Ochoa Félix (born c. 1987) is a Mexican model and social media personality.  In 2014, a rumor spread on social media that she was a high-ranking leader of the murder squad Los Ántrax, a bloc of enforcers allied to the Sinaloa Cartel.  After their leader José Rodrigo Aréchiga Gamboa (alias "Chino Ántrax") was arrested, Ochoa Félix was rumored to be one of the leaders.  She denied the claims and her involvement in organized crime.

Supporting paragraphs: Los Ántrax Ismael Zambada García
Answer: Mexican