Question: what is basic old age pension in canada
[{'answer': 'C $586.66 per month', 'provenance': [{'wikipedia_id': '1544880', 'title': 'Old Age Security', 'start_paragraph_id': 1, 'start_character': 198, 'end_paragraph_id': 1, 'end_character': 216, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1544880', 'title': 'Old Age Security', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 549, 'bleu_score': 0.8072479116384721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2574263999297279627}, 'section': 'Section::::Abstract.'}]}]