Question: Which country Sadie Miller's mother is from?
Sentence (from "Sadie Miller"): She is known for her portrayal of Natalie Redfern in the "Sarah Jane Smith" audio drama series by Big Finish, her novel, "Moon Blink", from Candy Jar Books's series, "Lethbridge-Stewart", as well as her association with the science fiction series, "
Relevant evidence: No