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: "Sam Nelson was a director and assistant director who worked from the end of the silent era right up through the early 1960s, as an assistant director he worked on such notable films as, And Then There Were None, released in which year, a film adaptation of Agatha Christie's best-selling mystery novel of the same name, directed by René Clair?" whose answer is 1945.
Each document should contain about 30 words, and these documents should contain useful information.

Query: And Then There Were None release year
Useful Output:

Doc 1: (This was the British music-hall version of the minstrel song.) Even in 1939, this title was considered too offensive for American publication.
Doc 2: And Then There Were None was first published in 1939, in a period marked by global tensions leading up to World War II. This historical backdrop
Doc 3: Published May 3rd 2004 by St. Martin's Griffin. Paperback, 264 pages ; Published March 17th 2009 by William Morrow Paperbacks. Kindle Edition, 258 pages.
Doc 4: Considered the best mystery novel ever written by many readers, And Then There Were None is the story of ten strangers, each lured to Indian Island by a
Doc 5: And Then There Were None first aired in the UK on BBC One in December 2015 before making its US premier in March 2016 on Lifetime. Watch the trailer