Question: when did the meech lake accord take place
[{'answer': '1987', 'provenance': [{'wikipedia_id': '371984', 'title': 'Meech Lake Accord', 'start_paragraph_id': 1, 'start_character': 105, 'end_paragraph_id': 1, 'end_character': 109, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '371984', 'title': 'Meech Lake Accord', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 361, 'bleu_score': 0.8564693261807531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4131141740692840041}, 'section': 'Section::::Abstract.'}]}]