Question: What is the name of the movie  directed by Vernon Sewell in 1971 that is based on 16 murders commited over a period of 10 months in1828 in Edinburgh, Scotland?
Sentence (from "Burke &amp; Hare (1971 film)"): Burke & Hare, sometimes called Burke and Hare or The Horrors of Burke and Hare, is a 1971 horror film, directed by Vernon Sewell, and starring Derren Nesbitt, Harry Andrews, and Glynn Edwards.
Relevant evidence: Yes