Question: what year does when the heart calls take place
[{'answer': '1910', 'provenance': [{'wikipedia_id': '41630866', 'title': 'When Calls the Heart', 'start_paragraph_id': 7, 'start_character': 639, 'end_paragraph_id': 7, 'end_character': 643, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '41630866', 'title': 'When Calls the Heart', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 524, 'bleu_score': 0.548575780917644, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15682934188400176313}, 'section': 'Section::::Plot.\n'}]}]