Question: when will olaf's frozen adventure be on dvd
[{'answer': 'December 7 , 2017', 'provenance': [{'wikipedia_id': '54293332', 'title': "Olaf's Frozen Adventure", 'start_paragraph_id': 32, 'start_character': 132, 'end_paragraph_id': 32, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Home media.\n'}]}, {'provenance': [{'wikipedia_id': '54293332', 'title': "Olaf's Frozen Adventure", 'start_paragraph_id': 32, 'start_character': 0, 'end_paragraph_id': 32, 'end_character': 148, 'bleu_score': 0.9321022168949711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15807967659015629870}, 'section': 'Section::::Home media.\n'}]}]