Question: This American special effects designer owns a company called Alterian, Inc. and designed the special effects for what movie written and directed by Don Mancini in 2004?
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