Question: when did the red iphone 7 plus come out
[{'answer': 'March 24 , 2017', 'provenance': [{'wikipedia_id': '51539250', 'title': 'IPhone 7', 'start_paragraph_id': 10, 'start_character': 193, 'end_paragraph_id': 10, 'end_character': 208, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '51539250', 'title': 'IPhone 7', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 303, 'bleu_score': 0.9240646635757881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4678985642137343000}, 'section': 'Section::::History.\n'}]}]