Question: Which film whose director is younger, Grijpstra & De Gier or Interference (Film)?
Sentence (from "Grijpstra & De Gier"): It is based on the eponymous novel series by Jan Willem van de Wetering( although his name is usually styled Janwillem van de Wetering), specifically" Het lijk in de Haarlemmer Houttuinen"( translation: The Body in the Haarlemmer Houttuinen, a former neighbourhood in Amsterdam).
Relevant evidence: No