Question: who plays pitch black in rise of the guardians
[{'answer': 'Jude Law', 'provenance': [{'wikipedia_id': '23399828', 'title': 'Rise of the Guardians', 'start_paragraph_id': 1, 'start_character': 392, 'end_paragraph_id': 1, 'end_character': 400, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23399828', 'title': 'Rise of the Guardians', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 95, 'bleu_score': 0.8702397637697911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11878702759073107827}, 'section': 'Section::::Cast and characters.\n'}]}]