Question: What is the name of the the special effects artists who worked on a film following the actions of a "Sandman"?
Sentence (from "John Dykstra"): John Charles Dykstra, A.S.C. (born June 3, 1947 in Long Beach, California, United States) is an American special effects artist, pioneer in the development of the use of computers in filmmaking and recipient of three Academy Awards, among many other awards and prizes.
Relevant evidence: No