* A person: Is Sophie a character in a book, movie, or TV show? Or is she a real person you know?
* A book: Are you referring to a specific book titled "Sophie"?
* A movie or TV show: Is there a movie or TV show called "Sophie"?
* Something else: Is "Sophie" a product, a company, or something else entirely?
Once you provide me with more information, I can give you a more specific answer.