Question: What nationality is the director of film Kärleksön?
Sentence (from "Joseph W. Sarno"): Sarno emerged from the proto-pornographic sexploitation film genre of the 1950s & 1960s; he had written and directed approximately 75 theatrically released feature films in the sexploitation, softcore and hardcore genres as well as a number of shot-on-video features for the 1980s hardcore video market.
Relevant evidence: No