Question: Who is the mother of the director of film Chaar?
Sentence (from "Chaar"): The film features Saswata Chatterjee, Abir Chatterjee, Koel Mallick, Paran Bandopadhyay in the lead roles, and Sreelekha Mitra, Sudipta Chakraborty, Pijush Ganguly in the supporting roles.
Relevant evidence: No