Question: when were the cave paintings in france created
[{'answer': 'estimated around 17,000 years BP'}, {'provenance': [{'wikipedia_id': '18594', 'title': 'Lascaux', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 709, 'bleu_score': 0.843771676739357, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10125892636010121496}, 'section': 'Section::::Abstract.'}]}]