Question: how many tribes were there in the bible
[{'answer': 'Twelve', 'provenance': [{'wikipedia_id': '2400868', 'title': 'Twelve Tribes of Israel', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 6, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2400868', 'title': 'Twelve Tribes of Israel', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 224, 'bleu_score': 0.680733055393084, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11560628957792374149}, 'section': 'Section::::Abstract.'}]}]