Question: who plays the duck in kung fu panda
[{'answer': 'James Hong', 'provenance': [{'wikipedia_id': '18375766', 'title': 'List of Kung Fu Panda characters', 'start_paragraph_id': 377, 'start_character': 123, 'end_paragraph_id': 377, 'end_character': 133, 'bleu_score': 1.0, 'section': 'Section::::List of supporting characters.:Mr. Ping.\n'}]}]