Question: when was the old testament translated into greek
[{'answer': '3rd -- 1st centuries BC'}, {'provenance': [{'wikipedia_id': '31984520', 'title': 'Bible translations into Greek', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 421, 'bleu_score': 0.9192507668025021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13828079715700187700}, 'section': 'Section::::Before AD 1500.\n'}]}]