Question: how long ago were the ancient babylonians charting positions of the planets and stars
[{'answer': '1200 BC', 'provenance': [{'wikipedia_id': '4536514', 'title': 'Babylonian astronomy', 'start_paragraph_id': 7, 'start_character': 303, 'end_paragraph_id': 7, 'end_character': 310, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4536514', 'title': 'Babylonian astronomy', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 417, 'bleu_score': 0.970362113628587, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14393177086904301516}, 'section': 'Section::::Abstract.'}]}]