Question: who sang 'my heart will go on' from 'titanic'
[{'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.'}]}, {'provenance': [{'wikipedia_id': '923235', 'title': 'My Heart Will Go On', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 502, 'bleu_score': 0.960196138847988, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11993309056274904567}, 'section': 'Section::::Abstract.'}]}]