Question: when was homeland season 6 released on dvd
[{'answer': 'February 6 , 2018', 'provenance': [{'wikipedia_id': '50996683', 'title': 'Homeland (season 6)', 'start_paragraph_id': 1, 'start_character': 463, 'end_paragraph_id': 1, 'end_character': 480, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50996683', 'title': 'Homeland (season 6)', 'start_paragraph_id': 1, 'start_character': 20, 'end_paragraph_id': 1, 'end_character': 479, 'bleu_score': 0.840674805769395, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2124599384111329816}, 'section': 'Section::::Abstract.'}]}]