Question: who became the first high priest of israel
[{'answer': 'Aaron', 'provenance': [{'wikipedia_id': '503399', 'title': 'List of High Priests of Israel', 'start_paragraph_id': 3, 'start_character': 62, 'end_paragraph_id': 3, 'end_character': 67, 'bleu_score': 1.0, 'section': 'Section::::Line of the High Priests of Israel.\n'}]}]