query: In which shows and during which years did Holly Marie Combs play the roles of Kimberly Brock, Piper Halliwell and Ella Montgomery?
answer: Holly Marie Combs appeared as Kimberly Brock in Picket Fences (1992–1996), Piper Halliwell in Charmed (1998–2006) and Ella Montgomery in Pretty Little Liars (2010–2017).