Question: who does the voice for the aflac duck
[{'answer': 'Gilbert Gottfried', 'provenance': [{'wikipedia_id': '625478', 'title': 'Gilbert Gottfried', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '625478', 'title': 'Gilbert Gottfried', 'start_paragraph_id': 1, 'start_character': 173, 'end_paragraph_id': 1, 'end_character': 558, 'bleu_score': 0.701653148997193, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4818647982552335946}, 'section': 'Section::::Abstract.'}]}]