Question: What country is home to both the group responsible for a 3 hour shootout with federal police and the Los Zetas cartel?
Sentence (from "Operation Sinaloa"): Operation Sinaloa or Operation Culiacan - Navolato (Spanish: Operacion Sinaloa/Operacion Conjunto Sinaloa) is an ongoing Anti-drug trafficking operation in the Mexican state of Sinaloa by the Federal Police and the Mexican Armed Forces.
Relevant evidence: No