Question: who sang the song at the end of moana
[{'answer': 'Alessia Cara', 'provenance': [{'wikipedia_id': '52156315', 'title': 'Moana (soundtrack)', 'start_paragraph_id': 8, 'start_character': 147, 'end_paragraph_id': 8, 'end_character': 159, 'bleu_score': 1.0, 'section': 'Section::::Commercial performance.\n'}]}, {'provenance': [{'wikipedia_id': '52156315', 'title': 'Moana (soundtrack)', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 695, 'bleu_score': 0.9831208473513011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7620971042997907150}, 'section': 'Section::::Commercial performance.\n'}]}]