Question: who did the choreography for the movie the greatest showman
[{'answer': 'Ashley Wallen', 'provenance': [{'wikipedia_id': '44435434', 'title': 'The Greatest Showman', 'start_paragraph_id': 18, 'start_character': 144, 'end_paragraph_id': 18, 'end_character': 157, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}, {'provenance': [{'wikipedia_id': '44435434', 'title': 'The Greatest Showman', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 157, 'bleu_score': 0.929712191543383, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14490773432467744056}, 'section': 'Section::::Production.\n'}]}]