Question: who did mike work for in breaking bad
[{'answer': 'Los Pollos Hermanos', 'provenance': [{'wikipedia_id': '57056511', 'title': 'Mike Ehrmantraut', 'start_paragraph_id': 21, 'start_character': 542, 'end_paragraph_id': 21, 'end_character': 561, 'bleu_score': 1.0, 'section': 'Section::::Character biography.:"Better Call Saul".:Season 3.\n'}]}, {'answer': 'Gus Fring', 'provenance': [{'wikipedia_id': '57056511', 'title': 'Mike Ehrmantraut', 'start_paragraph_id': 21, 'start_character': 590, 'end_paragraph_id': 21, 'end_character': 599, 'bleu_score': 1.0, 'section': 'Section::::Character biography.:"Better Call Saul".:Season 3.\n'}]}, {'answer': 'Saul Goodman'}]