Question: What host of the Saturday Disney morning show in London starred in a J.K. Rowling film?
Sentence (from "Fantastic Beasts and Where to Find Them (film)"): It is a prequel to the "Harry Potter" film series, and it was produced and written by J. K. Rowling in her screenwriting debut, and inspired by her 2001 book of the same name.
Relevant evidence: Yes