Detailed Instructions: In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.
Q: Django Unchained was the first Tarantino film not edited by Sally Menke, who died in 2010. Editing duties were instead handled by Fred Raskin, who had worked as an assistant editor on Tarantino's Kill Bill. Raskin was nominated for a BAFTA Award for Best Editing but lost to William Goldenberg for _his_ work on Argo. <sep>, Pronoun: his
A:
William Goldenberg