Question: what is the first name of huey's dewey's and louie's uncle
[{'answer': 'Donald Duck', 'provenance': [{'wikipedia_id': '14356', 'title': 'Huey, Dewey, and Louie', 'start_paragraph_id': 1, 'start_character': 211, 'end_paragraph_id': 1, 'end_character': 222, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14356', 'title': 'Huey, Dewey, and Louie', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 746, 'bleu_score': 0.9410451604405151, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16203890261016259412}, 'section': 'Section::::Abstract.'}]}]