Question: What year did the film, in which Amy Seimetz co-wrote and co-directed, appear in the Sundance Film Festival?
Sentence (from "Amy Seimetz"): In 2015, she co-wrote, co-directed and executive produced the Starz series "The Girlfriend Experience", based on the Steven Soderbergh film of the same name, which was released to positive reviews and critical acclaim.
Relevant evidence: Yes