Question: who sang the song chandni o meri chandni
[{'answer': 'Sridevi', 'provenance': [{'wikipedia_id': '4125153', 'title': 'Chandni', 'start_paragraph_id': 1, 'start_character': 197, 'end_paragraph_id': 1, 'end_character': 204, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Jolly Mukherjee'}]