Question: when did the nile river flood in ancient egypt
[{'answer': 'between May and August', 'provenance': [{'wikipedia_id': '5839243', 'title': 'Flooding of the Nile', 'start_paragraph_id': 3, 'start_character': 61, 'end_paragraph_id': 3, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Flooding cycle.\n'}]}, {'provenance': [{'wikipedia_id': '5839243', 'title': 'Flooding of the Nile', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 569, 'bleu_score': 0.931187671878629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9507654156135348280}, 'section': 'Section::::Flooding cycle.\n'}]}]