Question: when was the multiculturalism policy of canada passed
[{'answer': '1988', 'provenance': [{'wikipedia_id': '1551684', 'title': 'Canadian Multiculturalism Act', 'start_paragraph_id': 1, 'start_character': 76, 'end_paragraph_id': 1, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1551684', 'title': 'Canadian Multiculturalism Act', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 142, 'bleu_score': 0.9146912192286941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6558829046959023769}, 'section': 'Section::::Abstract.'}]}]