Question: when did season 4 of the 100 come out on netflix
[{'answer': 'February 1 , 2017', 'provenance': [{'wikipedia_id': '39350301', 'title': 'The 100 (TV series)', 'start_paragraph_id': 30, 'start_character': 338, 'end_paragraph_id': 30, 'end_character': 355, 'bleu_score': 1.0, 'section': 'Section::::Episodes.\n'}]}]