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 Millionaires' Unit is a documentary that was narrated by which actor?" whose answer is Bruce MacLeish Dern.
Each document should contain about 30 words, and these documents should contain useful information.

Query: The Millionaires' Unit narrator
Useful Output:

Doc 1: Seven years in the making and filmed on three continents, The Millionaires' Unit documentary tells the dramatic story of a group of Yale
Doc 2: The Millionaires' Unit tells the story of several Yale undergraduates in the early 1900s whose foresight helped open the United States Navy up to the utility
Doc 3: Archival black-and-white footage is interspersed into the aerial scenes as narrator Bruce Dern reads from the pilots' mementos. A video trailer
Doc 4: The Millionaires' Unit tells the unsung story of a group of  narrator Bruce Dern who are all grandnephews and grandsons of FYU members.
Doc 5: Marc Wortman talked about his book [The Millionaire's Unit: The Aristocratic Flyboys who Fought the Great War and Invented American