Question: Jalisco New Generation Cartel is headed by the drug lord with what nickname?
Sentence (from "Jalisco New Generation Cartel"): The Jalisco New Generation Cartel (Spanish: "Cártel de Jalisco Nueva Generación" , "CJNG" and "Matazetas") is Mexican criminal group based in Jalisco and headed by Nemesio Oseguera Cervantes ("El Mencho"), one of Mexico's most-wanted drug lords.
Relevant evidence: Yes