Question: when was the term 'aids' first defined
[{'answer': '1986', 'provenance': [{'wikipedia_id': '5069516', 'title': 'HIV/AIDS', 'start_paragraph_id': 51, 'start_character': 70, 'end_paragraph_id': 51, 'end_character': 74, 'bleu_score': 1.0, 'section': 'Section::::Diagnosis.:Classifications.\n'}]}, {'provenance': [{'wikipedia_id': '5069516', 'title': 'HIV/AIDS', 'start_paragraph_id': 51, 'start_character': 0, 'end_paragraph_id': 51, 'end_character': 254, 'bleu_score': 0.950578622812921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9319055596046740914}, 'section': 'Section::::Diagnosis.:Classifications.\n'}]}]