Question: who voices the crane in kung fu panda
[{'answer': 'David Cross', 'provenance': [{'wikipedia_id': '3248340', 'title': 'Kung Fu Panda', 'start_paragraph_id': 1, 'start_character': 325, 'end_paragraph_id': 1, 'end_character': 336, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]