Who is the director of the film produced by Blue Sky Studios and with the screenwriter David Nathan Weiss?
David N. Weiss: David Nathan Weiss is an American writer, lecturer and labor leader. Ferdinand (film): Ferdinand is an upcoming 2017 American 3D computer-animated comedy film produced by Blue Sky Studios and 20th Century Fox Animation. 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.
i don't know