Question: Whose authority were the Mexican police under that had a shootout with the CJNG in 2015?
{'answer': 'Secretariat of the Interior', 'supporting_facts': [['2015 Tanhuato–Ecuandureo shootout', 0], ['2015 Tanhuato–Ecuandureo shootout', 5], ['2015 Tanhuato–Ecuandureo shootout', 6], ['Federal Police (Mexico)', 0]]}