premise: Niamh Wilson ( born March 9, 1997) is a Canadian film and television actress from Oakville, Ontario, known for her role as Corbett in Saw III, reprised in Saw V; the Canadian horror film "The Marsh" (2006); and the title role in the Family Channel series "Debra!"
hypothesis: Niamh Wilson plays the lead character in Debra.
reason: She plays Debra in the tv series. The system did not know that title and lead mean the same thing.