Question: at the apex of cahokia the population stood at
[{'answer': 'between 6,000 and 40,000', 'provenance': [{'wikipedia_id': '348454', 'title': 'Cahokia', 'start_paragraph_id': 12, 'start_character': 572, 'end_paragraph_id': 12, 'end_character': 596, 'bleu_score': 1.0, 'section': 'Section::::History and Mounds.:Rise and peak (13th century).\n'}]}, {'provenance': [{'wikipedia_id': '348454', 'title': 'Cahokia', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 1206, 'bleu_score': 0.9520895176243471, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4367978184964405278}, 'section': 'Section::::History and Mounds.:Rise and peak (13th century).\n'}]}]