Question: when did the persons case start and end
[{'answer': 'August 27 , 1927', 'provenance': [{'wikipedia_id': '397721', 'title': 'The Famous Five (Canada)', 'start_paragraph_id': 1, 'start_character': 613, 'end_paragraph_id': 1, 'end_character': 629, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'April 24 , 1928', 'provenance': [{'wikipedia_id': '397721', 'title': 'The Famous Five (Canada)', 'start_paragraph_id': 1, 'start_character': 637, 'end_paragraph_id': 1, 'end_character': 652, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '397721', 'title': 'The Famous Five (Canada)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 742, 'bleu_score': 0.8757346662348441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9693477152179644543}, 'section': 'Section::::Abstract.'}]}]