Question: who is king alpha in rivers of babylon
[{'answer': 'Selassie', 'provenance': [{'wikipedia_id': '1846022', 'title': 'Rivers of Babylon', 'start_paragraph_id': 9, 'start_character': 620, 'end_paragraph_id': 9, 'end_character': 628, 'bleu_score': 1.0, 'section': 'Section::::Background.:Rastafari.\n'}]}, {'provenance': [{'wikipedia_id': '1846022', 'title': 'Rivers of Babylon', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 977, 'bleu_score': 0.9875383322810981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14638279847009269661}, 'section': 'Section::::Background.:Rastafari.\n'}]}]