Question: What is the name of the British actress and children's book author, who featured in the preschool television series 'Julie's Greenroom' with Julie Andrews?
Sentence (from "Judy Rothman"): The show stars Julie Andrews, who is joined by her assistant Gus (Giullian Yao Gioiello) and the “Greenies,” a cast of original puppets built by The Jim Henson Company and will premiere on Netflix on March 17, 2017.
Relevant evidence: No