Question: what is the snowman's name in frozen
[{'answer': 'Olaf', 'provenance': [{'wikipedia_id': '42006085', 'title': 'Olaf (Frozen)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 4, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42006085', 'title': 'Olaf (Frozen)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 563, 'bleu_score': 0.663195067608156, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16323768989068216165}, 'section': 'Section::::Abstract.'}]}]