Question: who studied extensively the human side of enterprise
[{'answer': 'Douglas Murray McGregor', 'provenance': [{'wikipedia_id': '180816', 'title': 'Douglas McGregor', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '180816', 'title': 'Douglas McGregor', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 320, 'bleu_score': 0.96188712955549, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12208454149605314952}, 'section': 'Section::::Abstract.'}]}]