question: Which of the films that American actress Susanna Thompson is known for was about the life of white supremacist Dyron De La Beckwith?
answer: "Ghosts of Mississippi"
context: Title: Ghosts of Mississippi
  Passage: Ghosts of Mississippi is a 1996 American biographical courtroom drama film directed by Rob Reiner and starring Alec Baldwin, Whoopi Goldberg, and James Woods.  The plot is based on the true story of the 1994 trial of Byron De La Beckwith, the white supremacist accused of the 1963 assassination of civil rights activist Medgar Evers.
  Title: Susanna Thompson
  Passage: Susanna Thompson (born January 27, 1958) is an American actress.  She is known for her roles in films "Little Giants" (1994), "Ghosts of Mississippi" (1996), "Random Hearts" (1999) and "Dragonfly" (2002), and as Karen Sammler on ABC drama series "Once and Again" (1999–2002).  From 2012 to 2014, Thompson starred as Moira Queen as a regular cast member in the CW series "Arrow".
  Title: Paul Saltzman
  Passage: Paul Saltzman is a two-time Canadian Emmy Award-winning film and television producer-director with more than 300 films, both dramas and documentaries, to his credit.  The 2008 documentary feature, "Prom Night in Mississippi", featuring actor Morgan Freeman, premiered at the 2009 Sundance Film Festival.  His most recent film, the feature documentary, "The Last White Knight—Is Reconciliation Possible?"  premiered at TIFF (Toronto International Film Festival) in 2012.  It features Morgan Freeman, Harry Belafonte, Delay de la Beckwith (son of Byron De La Beckwith) as well as Saltzman himself.  He is also founder, CEO and president of the charitable, non-profit organization Moving Beyond Prejudice, which works with students, educators, youth-at-risk and community groups.
citations: Ghosts of Mississippi Susanna Thompson