Question: when was the book of numbers written in the bible
[{'answer': 'after c. 520 BCE'}, {'provenance': [{'wikipedia_id': '4376', 'title': 'Book of Numbers', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 680, 'bleu_score': 0.731057781817375, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17637013181591659017}, 'section': 'Section::::Composition.\n'}]}]