Question: who plays the voice of the chief in moana
[{'answer': 'Temuera Morrison as Tui', 'provenance': [{'wikipedia_id': '44164132', 'title': 'Moana (2016 film)', 'start_paragraph_id': 18, 'start_character': 12, 'end_paragraph_id': 18, 'end_character': 35, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'answer': "Christopher Jackson as Tui 's singing voice"}, {'provenance': [{'wikipedia_id': '44164132', 'title': 'Moana (2016 film)', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 110, 'bleu_score': 0.542858681652657, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8458830622374467364}, 'section': 'Section::::Cast.\n'}]}]