Question: who is propounder of law of three stages
[{'answer': 'Auguste Comte', 'provenance': [{'wikipedia_id': '5949785', 'title': 'Law of three stages', 'start_paragraph_id': 1, 'start_character': 48, 'end_paragraph_id': 1, 'end_character': 61, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5949785', 'title': 'Law of three stages', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 306, 'bleu_score': 0.9603762111511761, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2307812284651337769}, 'section': 'Section::::Abstract.'}]}]