Question: who plays the voice of maui on moana
[{'answer': 'Dwayne Johnson', 'provenance': [{'wikipedia_id': '44164132', 'title': 'Moana (2016 film)', 'start_paragraph_id': 1, 'start_character': 403, 'end_paragraph_id': 1, 'end_character': 417, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44164132', 'title': 'Moana (2016 film)', 'start_paragraph_id': 15, 'start_character': 12, 'end_paragraph_id': 15, 'end_character': 142, 'bleu_score': 0.658402900448197, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7995822731830320774}, 'section': 'Section::::Cast.\n'}]}]