Question: who plays the fire chief on chicago fire
[{'answer': 'Eamonn Roderique Walker', 'provenance': [{'wikipedia_id': '2008586', 'title': 'Eamonn Walker', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2008586', 'title': 'Eamonn Walker', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 332, 'bleu_score': 0.602472612706732, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11562092727131750633}, 'section': 'Section::::Abstract.'}]}]