Question: who were the first known inhabitants in louisiana
[{'answer': 'Mound Builders', 'provenance': [{'wikipedia_id': '8817671', 'title': 'History of Louisiana', 'start_paragraph_id': 1, 'start_character': 198, 'end_paragraph_id': 1, 'end_character': 212, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8817671', 'title': 'History of Louisiana', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 212, 'bleu_score': 0.7630407591490991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16775443229405210077}, 'section': 'Section::::Abstract.'}]}]