Question: when did the british monarchy become a constitutional monarchy
[{'answer': '1688', 'provenance': [{'wikipedia_id': '5649', 'title': 'Constitutional monarchy', 'start_paragraph_id': 9, 'start_character': 54, 'end_paragraph_id': 9, 'end_character': 58, 'bleu_score': 1.0, 'section': 'Section::::Constitutional and absolute monarchy.:England and the United Kingdom.\n'}]}, {'provenance': [{'wikipedia_id': '5649', 'title': 'Constitutional monarchy', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 432, 'bleu_score': 0.9735040436119741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3810905582701037644}, 'section': 'Section::::Constitutional and absolute monarchy.:England and the United Kingdom.\n'}]}]