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: "Samuel Robson "Rob" Walton, born on which date, is an American businessman and is the eldest son of Helen Robson Kemper Walton, the wife of Wal-Mart founder Sam Walton, the world's largest retailer?" whose answer is October 28, 1944.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Samuel Robson "Rob" Walton birth date
Useful Output:

Doc 1: Samuel Robson “Rob” Walton (born October 28, 1944) is an American businessman and is the eldest son of Helen Walton and Sam Walton,
Doc 2:  Born In: Tulsa, Oklahoma, United States. Advanced Search. Samuel Robson Walton, popularly known as Rob Walton, is an American businessman who
Doc 3: Samuel Robson "Rob" Walton (born October 27, 1944) is an American billionaire heir to the fortune of Walmart, the world's largest retailer.
Doc 4: Samuel Robson "Rob" Walton (born October 27, 1944) is an American businessman. He is the heir to the fortune of Walmart, the world's largest retailer.
Doc 5: Samuel Robson "Rob" Walton (born October 27, 1944) is an American businessman. He is the heir to the fortune of Walmart, the world's largest retailer.