Question: who wrote the song hero by mariah carey
[{'answer': 'Mariah Carey', 'provenance': [{'wikipedia_id': '1840974', 'title': 'Hero (Mariah Carey song)', 'start_paragraph_id': 0, 'start_character': 6, 'end_paragraph_id': 0, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1840974', 'title': 'Hero (Mariah Carey song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 883, 'bleu_score': 0.7749960700664821, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15026669550269617270}, 'section': 'Section::::Abstract.'}]}]