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: "who plays ser barristan in game of thrones?" whose answer is Ian McElhinney.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who plays ser barristan in game of thrones
Useful Output:

Doc 1:  Ser Barristan Selmy, was killed off long before the book version kicked the bucket. Now it's a Dornishman's turn. Actor Alexander Siddig
Doc 2: Game of Thrones actor Ian McElhinney, who played the valiant Ser Barristan Selmy, was not expecting his run on the show to end so quickly.
Doc 3: The scene finally showed Ser Barristan Selmy (Ian McElhinney) in action, but also marked the exit of a kind and noble presence on the series.
Doc 4: Barristan becomes a POV character in A Dance with Dragons. In the television adaptation Game of Thrones, Barristan is portrayed by Ian McElhinney.
Doc 5: Ian McElhinney, who played Ser Barristan Selmy in the Game of Thrones series talks about the Studio Tour. Filmed in 2022.