Question: when was the hero with a thousand faces published
[{'answer': '1949', 'provenance': [{'wikipedia_id': '297239', 'title': 'The Hero with a Thousand Faces', 'start_paragraph_id': 1, 'start_character': 51, 'end_paragraph_id': 1, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '297239', 'title': 'The Hero with a Thousand Faces', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 235, 'bleu_score': 0.709183603045172, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4916336939444792094}, 'section': 'Section::::Abstract.'}]}]