Question: how many times is the angel of the lord mentioned in the old testament
[{'answer': '65', 'provenance': [{'wikipedia_id': '3142629', 'title': 'Angel of the Lord', 'start_paragraph_id': 2, 'start_character': 37, 'end_paragraph_id': 2, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]