Question: when does mary go to scotland in reign
[{'answer': '19 August 1561', 'provenance': [{'wikipedia_id': '20603', 'title': 'Mary, Queen of Scots', 'start_paragraph_id': 2, 'start_character': 427, 'end_paragraph_id': 2, 'end_character': 441, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20603', 'title': 'Mary, Queen of Scots', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 524, 'bleu_score': 0.627882260567173, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2810984862266832400}, 'section': 'Section::::Abstract.'}]}]