Question: What film did the editor with more than thirty film credits film in 1986? 
Sentence (from "Lesley Walker"): She came into prominence in the 1980s, when she "developed a fast and snappy editing style in the decade, with "A Letter to Brezhnev" (1985), "Mona Lisa", "Cry Freedom" (1987), and "Shirley Valentine"."
Relevant evidence: No