Question: Who is the spouse of the director of film No Highway In The Sky?
Sentence (from "No Highway in the Sky"): (a.k.a. No Highway) is a 1951 British black-and-white aviation film from 20th Century Fox, produced by Louis D. Lighton, directed by Henry Koster, that stars James Stewart, Marlene Dietrich, Glynis Johns, Niall MacGinnis, Janette Scott, and Jack Hawkins.
Relevant evidence: Yes