Question: who is the writer of the ugly duckling
[{'answer': 'Hans Christian Andersen', 'provenance': [{'wikipedia_id': '291324', 'title': 'The Ugly Duckling', 'start_paragraph_id': 1, 'start_character': 101, 'end_paragraph_id': 1, 'end_character': 124, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '291324', 'title': 'The Ugly Duckling', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 780, 'bleu_score': 0.9586887923167711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3380789929173027256}, 'section': 'Section::::Abstract.'}]}]