Question: what are the names of the characters in moana
[{'answer': 'Maui', 'provenance': [{'wikipedia_id': '44164132', 'title': 'Moana (2016 film)', 'start_paragraph_id': 2, 'start_character': 249, 'end_paragraph_id': 2, 'end_character': 253, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Tala', 'provenance': [{'wikipedia_id': '44164132', 'title': 'Moana (2016 film)', 'start_paragraph_id': 7, 'start_character': 20, 'end_paragraph_id': 7, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'answer': 'Tui', 'provenance': [{'wikipedia_id': '44164132', 'title': 'Moana (2016 film)', 'start_paragraph_id': 6, 'start_character': 73, 'end_paragraph_id': 6, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'answer': 'Tamatoa', 'provenance': [{'wikipedia_id': '44164132', 'title': 'Moana (2016 film)', 'start_paragraph_id': 8, 'start_character': 687, 'end_paragraph_id': 8, 'end_character': 694, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'answer': 'Sina', 'provenance': [{'wikipedia_id': '44164132', 'title': 'Moana (2016 film)', 'start_paragraph_id': 6, 'start_character': 208, 'end_paragraph_id': 6, 'end_character': 212, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'answer': 'Heihei', 'provenance': [{'wikipedia_id': '44164132', 'title': 'Moana (2016 film)', 'start_paragraph_id': 25, 'start_character': 26, 'end_paragraph_id': 25, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]