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 played percival in little house on the prairie?" whose answer is Steve Tracy.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who played percival in little house on the prairie
Useful Output:

Doc 1: ” Unbeknownst to the production staff, Steve Tracy, who played Nellie's husband Percival, was gay. But he and Alison Arngrim were great
Doc 2: One Little House on the Prairie cast member who became a big part of her life was the late Steve Tracy, known for playing Percival Dalton, Nelly
Doc 3: Tracy played Percival opposite Arngrim, and she couldn't have been happier about it, noting how she was pleasantly surprised that her romantic
Doc 4: The biggest role of his career was PERCIVAL COHEN in the cult series "THE LITTLE HOUSE ON THE PRAIRIE", he passed an audition with several candidates, the cast
Doc 5: Actor. He is best known for his character 'Percival Dalton' on the television series Little House on the Prairie, where his character was married to 'Nellie