Question: who played pai mei in kill bill 2
[{'answer': 'Gordon Liu', 'provenance': [{'wikipedia_id': '2207302', 'title': 'Gordon Liu', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2207302', 'title': 'Gordon Liu', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 413, 'bleu_score': 0.7522998187559681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16667242407800294138}, 'section': 'Section::::Abstract.'}]}]