Question: who is the singer of dulhe ka sehra
[{'answer': 'Nusrat Fateh Ali Khan', 'provenance': [{'wikipedia_id': '3258336', 'title': 'Dhadkan', 'start_paragraph_id': 10, 'start_character': 112, 'end_paragraph_id': 10, 'end_character': 133, 'bleu_score': 1.0, 'section': 'Section::::Music.\n'}]}, {'answer': 'Jaspinder Narula'}]