Question: when did season 2 of the crown come out
[{'answer': 'December 8 , 2017', 'provenance': [{'wikipedia_id': '47048067', 'title': 'The Crown (TV series)', 'start_paragraph_id': 116, 'start_character': 213, 'end_paragraph_id': 116, 'end_character': 230, 'bleu_score': 1.0, 'section': 'Section::::Release.\n'}]}, {'provenance': [{'wikipedia_id': '47048067', 'title': 'The Crown (TV series)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 805, 'bleu_score': 0.758229646634053, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14081325525262962067}, 'section': 'Section::::Abstract.'}]}]