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: "The company, in which Warren Bradford Rigdon was a former business executive for, merged with Boeing in what year?" whose answer is 1997.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Warren Bradford Rigdon aerospace company
Useful Output:

Doc 1: Warren Bradford "Brad" Rigdon (born 1938) is an American former business executive at McDonnell Douglas, also known for developing the NIST Enterprise
Doc 2: 2015 ANNUAL REPORT. Throughout his lifetime, George Washington sought constant improvements—whether through self-education, by evolving his
Doc 3: 'THAT'S NOT THE QUESTION': RFK Jr. and Sen. Elizabeth Warren got into a heated back-and-forth over vaccines at his Senate confirmation hearing Wednesday.
Doc 4:  COMPANY CUSTODIAN FBO DEREK. 573,200. $. 10/3/2023. C23-00335. 23 00 03 1  WARREN. 265,500. $. 10/3/2023. C23-00574. 23 00 02 2 005 028.000
Doc 5: A AND C RADIATOR SERVICE INC. A AND C RADIATOR SERVICE INC. 414 8TH STREET. GREELEY, CO. 7445. 80631. A AND E TIRE, INC. A AND E TIRE, INC.