Question: yeh rishta kya kehlata hai lead actress name
[{'answer': 'Shivangi Joshi', 'provenance': [{'wikipedia_id': '20921498', 'title': 'Yeh Rishta Kya Kehlata Hai', 'start_paragraph_id': 1, 'start_character': 378, 'end_paragraph_id': 1, 'end_character': 392, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]