Question: when was the northern kingdom of israel destroyed
[{'answer': 'around 720 BCE', 'provenance': [{'wikipedia_id': '17424', 'title': 'Kingdom of Israel (Samaria)', 'start_paragraph_id': 23, 'start_character': 87, 'end_paragraph_id': 23, 'end_character': 101, 'bleu_score': 1.0, 'section': 'Section::::History.:Destruction of the kingdom.\n'}]}]