Question: when did canada sign the un declaration of indigenous rights
[{'answer': '12 November 2010', 'provenance': [{'wikipedia_id': '13258879', 'title': 'Declaration on the Rights of Indigenous Peoples', 'start_paragraph_id': 65, 'start_character': 3, 'end_paragraph_id': 65, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Reaction.:Criticism, defiance and "aspirational" nullification.:Canada.\n'}]}, {'answer': 'May 2016', 'provenance': [{'wikipedia_id': '13258879', 'title': 'Declaration on the Rights of Indigenous Peoples', 'start_paragraph_id': 3, 'start_character': 141, 'end_paragraph_id': 3, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13258879', 'title': 'Declaration on the Rights of Indigenous Peoples', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6805991408365744292}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13258879', 'title': 'Declaration on the Rights of Indigenous Peoples', 'start_paragraph_id': 65, 'start_character': 0, 'end_paragraph_id': 65, 'end_character': 123, 'bleu_score': 0.8914703664390791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6805991408365744292}, 'section': 'Section::::Reaction.:Criticism, defiance and "aspirational" nullification.:Canada.\n'}]}, {'provenance': [{'wikipedia_id': '13258879', 'title': 'Declaration on the Rights of Indigenous Peoples', 'start_paragraph_id': 9, 'start_character': 51, 'end_paragraph_id': 9, 'end_character': 268, 'bleu_score': 0.5734090813814461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6805991408365744292}, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '13258879', 'title': 'Declaration on the Rights of Indigenous Peoples', 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['. In May 2016, Canada officially removed its objector status to UNDRIP, almost a decade after it was adopted by the General Assembly', 'May 2016']}}]}]