Question: when will the first 737 max be delivered
[{'answer': 'May 6 , 2017', 'provenance': [{'wikipedia_id': '32924090', 'title': 'Boeing 737 MAX', 'start_paragraph_id': 2, 'start_character': 261, 'end_paragraph_id': 2, 'end_character': 273, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '32924090', 'title': 'Boeing 737 MAX', 'start_paragraph_id': 2, 'start_character': 39, 'end_paragraph_id': 2, 'end_character': 547, 'bleu_score': 0.562942709164514, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15806002570735383684}, 'section': 'Section::::Abstract.'}]}]