Question: amount for old age security pension in canada
[{'answer': '$583.74 per month'}, {'provenance': [{'wikipedia_id': '1544880', 'title': 'Old Age Security', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 549, 'bleu_score': 0.640590880496516, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13568069654519298887}, 'section': 'Section::::Abstract.'}]}]