Question: who wrote the dark night of the soul
[{'answer': 'St. John of the Cross', 'provenance': [{'wikipedia_id': '1562000', 'title': 'Dark Night of the Soul', 'start_paragraph_id': 1, 'start_character': 88, 'end_paragraph_id': 1, 'end_character': 109, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]