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 killed king joffery in game of thrones?" whose answer is Lady Olenna Tyrell.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who killed king joffrey in game of thrones
Useful Output:

Doc 1: In Deep Geek - Insight and intelligent discussion on Lord of the Rings, Game of Thrones, The Witcher and more. For more A Song of Ice and
Doc 2: So, the killer was …  Olenna, obviously! Although she was helped by the fickle Petyr Baelish, who organised the poison for her. Once the
Doc 3: Sansa is believed to have poisoned Joffrey, and is wanted for regicide. Unless you've read some other book, where everyone said "oh, but Sansa
Doc 4: Certainly the most accepted theory is that the Queen of Thorns placed one of the black amethysts from Sansa's hair net into Joffrey's
Doc 5: Tyrell, meanwhile, got a boost in troops. Game of Thrones - House Tyrell. However, during Margaery and Joffrey's wedding the king began to choke