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: "when did the old man die on pawn stars?" whose answer is June 25, 2018.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the old man die on pawn stars
Useful Output:

Doc 1: Harrison died on June 25 after a long battle with Parkinson's disease. He was 77. Rick confirmed his death in an emotional Instagram post on
Doc 2: Richard Harrison died on June 25, 2018, at the age of 77. Pawn Stars' Rick Harrison confirmed his father's passing via Instagram. Underneath a
Doc 3: Family patriarch Richard “The Old Man” Harrison, who was on the show until his 2017 retirement, died in 2018. Meanwhile, Adam Harrison — Rick's
Doc 4: He was 77. “Richard Benjamin 'The Old Man' Harrison passed away this morning surrounded by those he loved,” Rick Harrison said in a statement
Doc 5: Rick, Corey, Chum, and a host of colleagues from the shop remember “the Old Man”—Richard Benjamin Harrison. Enjoy some of the Old Man's best moments