Question: when did the first air conditioner come out
[{'answer': '1902', 'provenance': [{'wikipedia_id': '7221088', 'title': 'Air conditioning', 'start_paragraph_id': 11, 'start_character': 163, 'end_paragraph_id': 11, 'end_character': 167, 'bleu_score': 1.0, 'section': 'Section::::History.:Development of mechanical cooling.\n'}]}, {'provenance': [{'wikipedia_id': '7221088', 'title': 'Air conditioning', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 197, 'bleu_score': 0.503045250884923, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7622275082563645706}, 'section': 'Section::::History.:Development of mechanical cooling.\n'}]}]