Question: when did the samsung galaxy alpha come out
[{'answer': 'September 2014', 'provenance': [{'wikipedia_id': '43300758', 'title': 'Samsung Galaxy Alpha', 'start_paragraph_id': 1, 'start_character': 145, 'end_paragraph_id': 1, 'end_character': 159, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '43300758', 'title': 'Samsung Galaxy Alpha', 'start_paragraph_id': 1, 'start_character': 15, 'end_paragraph_id': 1, 'end_character': 528, 'bleu_score': 0.923798274014845, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9047630535526342904}, 'section': 'Section::::Abstract.'}]}]