Question: when was the southern kingdom of judah destroyed
[{'answer': '586 BCE', 'provenance': [{'wikipedia_id': '17423', 'title': 'Kingdom of Judah', 'start_paragraph_id': 26, 'start_character': 808, 'end_paragraph_id': 26, 'end_character': 815, 'bleu_score': 1.0, 'section': 'Section::::Biblical and historical narrative.:Destruction and dispersion.\n'}]}]