Question: who sang the titanic song my heart will go on
[{'answer': 'Celine Dion', 'provenance': [{'wikipedia_id': '923235', 'title': 'My Heart Will Go On', 'start_paragraph_id': 1, 'start_character': 60, 'end_paragraph_id': 1, 'end_character': 71, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]