Question: who was appointed as the new chairperson of cbfc
[{'answer': 'Prasoon Joshi', 'provenance': [{'wikipedia_id': '5330978', 'title': 'Central Board of Film Certification', 'start_paragraph_id': 48, 'start_character': 121, 'end_paragraph_id': 48, 'end_character': 134, 'bleu_score': 1.0, 'section': 'Section::::Composition and leadership.\n'}]}]