Question: when did the samsung mega 2 come out
[{'answer': 'September 2014', 'provenance': [{'wikipedia_id': '46895013', 'title': 'Samsung Galaxy Mega 2', 'start_paragraph_id': 1, 'start_character': 196, 'end_paragraph_id': 1, 'end_character': 210, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '46895013', 'title': 'Samsung Galaxy Mega 2', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 476, 'bleu_score': 0.8939523418860961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1165659711627333155}, 'section': 'Section::::Abstract.'}]}]