Question: When did the director of film Era Bator Sur die?
Sentence (from "Bhupen Hazarika"): Bhupen Hazarika  (8 September 1926 – 5 November 2011) was an composer, playback singer, music director, lyricist, musician, folk artist, poet and filmmaker from Assam, widely known as Sudhakantha.
Relevant evidence: Yes