Question: who played sweety in sonu ke titu ki sweety
[{'answer': 'Nushrat Bharucha', 'provenance': [{'wikipedia_id': '56127229', 'title': 'Sonu Ke Titu Ki Sweety', 'start_paragraph_id': 1, 'start_character': 312, 'end_paragraph_id': 1, 'end_character': 328, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]