You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "What nationality of postage stamp features an actor from the movie Mystery 6?" whose answer is Chinese postage stamps.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who starred in Mystery 6
Useful Output:

Doc 1: Giancarlo Esposito · A.B. Wynter ; Uzo Aduba · Cordelia Cupp ; Randall Park · Edwin Park ; Susan Kelechi Watson · Jasmine Haney ; Edwina Findley · Sheila
Doc 2: The series stars Kellie Martin of ER fame as Samantha Kinsey. She inherited a mystery bookstore from her uncle and now runs it. There are three additional main
Doc 3: Cast & Credits · Lee Dong Hae in Mystery 6 Korean TV Show (2006). Lee Dong Hae Regular Member · Kim Ki Bum in Mystery 6 Korean TV Show (2006).
Doc 4: Watch a preview of “Reality Bites: A Hannah Swenson Mystery” starring Alison Sweeney, Victor Webster, and Barbara Niven.
Doc 5: Starring Denzel Washington and Angelina Jolie, "The Bone Collector" follows a quadriplegic detective (Washington) and his rookie police officer