Question: who is widely regarded as the inventer of air conditioner
[{'answer': 'Willis Carrier', 'provenance': [{'wikipedia_id': '7221088', 'title': 'Air conditioning', 'start_paragraph_id': 11, 'start_character': 183, 'end_paragraph_id': 11, 'end_character': 197, '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': 6941711067222056140}, 'section': 'Section::::History.:Development of mechanical cooling.\n'}]}]