Question: Who was the Mexican medical doctor focused on, along with Tim "Nailer" Foley, in the 2015 American documentary film directed by Matthew Heineman about the Mexican Drug War?
{'answer': 'José Manuel Mireles Valverde', 'supporting_facts': [['Cartel Land', 0], ['Cartel Land', 1], ['José Manuel Mireles Valverde', 0]]}