Question: when was frozen film produced in which year
[{'answer': '2013', 'provenance': [{'wikipedia_id': '34164547', 'title': 'Frozen (2013 film)', 'start_paragraph_id': 0, 'start_character': 8, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '34164547', 'title': 'Frozen (2013 film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 500, 'bleu_score': 0.8207451393459261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14834700680254980976}, 'section': 'Section::::Abstract.'}]}]