Question: who is the best director in bollywood 2017
[{'answer': 'Nitesh Tiwari'}, {'provenance': [{'wikipedia_id': '933485', 'title': 'Filmfare Award for Best Director', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4009957091743757145}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3739260', 'title': 'National Film Award for Best Screenplay', 'section': 'Section::::Award.\n', 'start_paragraph_id': 7, 'end_paragraph_id': 7, 'meta': {'evidence_span': ['Kanasemba Kudureyaneri" (2009), P. F. Mathews and Harikrishna for "Kutty Srank" (2009), Anant Mahadevan and Sanjay Pawar for "Mee Sindhutai Sapkal" (2010), Vikas Bahl, Nitesh Tiwari, and Vijay Maurya for "Chillar Party" (2011), Bhavesh Mandalia and Umesh Shukla for "OMG Oh My God!" (2012). Shyamoli Banerjee Deb, one of the jury members at the 53rd National Film Awards, filed a petition objecting to the selections in five awards categories; the Best Feature Film in Hindi, the Best First Film of', 'gi for "Apaharan" (2005), Abhijat Joshi, Rajkumar Hirani, and Vidhu Vinod Chopra for "Lage Raho Munna Bhai" (2006), Gopal Krishan Pai and Girish Kasaravalli for "Kanasemba Kudureyaneri" (2009), P. F. Mathews and Harikrishna for "Kutty Srank" (2009), Anant Mahadevan and Sanjay Pawar for "Mee Sindhutai Sapkal" (2010), Vikas Bahl, Nitesh Tiwari, and Vijay Maurya for "Chillar Party" (2011), Bhavesh Mandalia and Umesh Shukla for "OMG Oh My God!" (2012). Shyamoli Banerjee Deb, one of the jury members at the 53rd National Film Awards, f']}}]}]