Question: when did the moto z droid come out
[{'answer': 'September 2016', 'provenance': [{'wikipedia_id': '50768348', 'title': 'Moto Z', 'start_paragraph_id': 2, 'start_character': 255, 'end_paragraph_id': 2, 'end_character': 269, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50768348', 'title': 'Moto Z', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 269, 'bleu_score': 0.9569637990759251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11930884239004798116}, 'section': 'Section::::Abstract.'}]}]