Question:  John Mathieson, BSC is one of a group of film makers who emerged from the music video industry whose peers include the director of  a 2007 British romantic war drama that chronicles a crime and its consequences over the course of how many decades? 
Sentence (from "Atonement (film)"): The film stars James McAvoy, Keira Knightley, Saoirse Ronan, Romola Garai and Vanessa Redgrave, and chronicles a crime and its consequences over the course of six decades, beginning in the 1930s.
Relevant evidence: Yes