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: "Which person born on March 23, 1902 did George Roby Dempster have political battles with?" whose answer is Cas Walker.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Cas Walker birth date
Useful Output:

Doc 1: Orton Caswell "Cas" Walker (March 23, 1902 – September 25, 1998), was a Tennessee businessman, politician, and personality on television and radio.
Doc 2: Born in Sevier County in 1902, Cas quit school at 14 to work at a North Carolina paper factory before heading to Kentucky for coal mining jobs.
Doc 3: Cas Walker was born in 1863 in Mississippi, United States, son of Lucy Walker. Sources. 1880 Census: "United States, Census, 1880"
Doc 4: Cas Walker, Knoxville grocery store owner and former mayor (left) jokes with members of the Cider Mountain Boys during his 86th birthday at
Doc 5: Cas Walker: March 23, 1902 – September 25, 1998  Mayor-elect Cas Walker and Miss Libby Walker,