Question: when was my side of the mountain published
[{'answer': '1959', 'provenance': [{'wikipedia_id': '7924540', 'title': 'My Side of the Mountain', 'start_paragraph_id': 1, 'start_character': 160, 'end_paragraph_id': 1, 'end_character': 164, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7924540', 'title': 'My Side of the Mountain', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 499, 'bleu_score': 0.9237325552625921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10968118806913270214}, 'section': 'Section::::Abstract.'}]}]