Question: What NBC drama starring Carroll O'Connor did Crystal R. Fox appear in? 
Sentence (from "Crystal R. Fox"): She is best known for her roles as Luann Corbin in the NBC/CBS police drama series "In the Heat of the Night" (1989-1995), and as Hanna Young in the Oprah Winfrey Network prime time soap opera, "The Haves and the Have Nots" (2013–present).
Relevant evidence: Yes