Question: Who is the director of the film produced by Blue Sky Studios and with the screenwriter David Nathan Weiss?
Sentence (from "Ferdinand (film)"): It is based on Munro Leaf's children's book "The Story of Ferdinand" and directed by Carlos Saldanha, and stars the voices of John Cena, Kate McKinnon, Gina Rodriguez, Daveed Diggs, Gabriel Iglesias, Bobby Cannavale, David Tennant, and Anthony Anderson.
Relevant evidence: Yes