Question: What year was the play, directed by Frith Banbury and starring the man best known for his role of King Lear, released? 

Context paragraphs:
Nahum Tate: Nahum Tate ( ; 1652 – 30 July 1715) was an Irish poet, hymnist and lyricist, who became England's poet laureate in 1692.  Tate is best known for "The History of King Lear", his 1681 adaptation of Shakespeare's "King Lear".

The Deep Blue Sea (play): The Deep Blue Sea is a British stage play by Terence Rattigan from 1952.  Rattigan based his story and characters in part on his secret relationship with Kenny Morgan, and the aftermath following the end of their relationship.  The play was first performed in London on 6 March 1952, directed by Frith Banbury, and won praise for actress Peggy Ashcroft, who co-starred with Kenneth More.  In the USA, the Plymouth Theater staged the play in October 1952, with Margaret Sullavan.  The play with Sullavan subsequently transferred to Broadway, with its Broadway premiere on 5 November 1953, and running for 132 performances.

King Lear (1910 film): King Lear (Italian: "Re Lear" ) is a 1910 Italian silent historical drama film directed by Gerolamo Lo Savio and starring Ermete Novelli, Francesca Bertini and Olga Giannini Novelli.  It is an adaptation of William Shakespeare's "King Lear".

King Lear (1987 film): King Lear is a 1987 film directed by Jean-Luc Godard, an adaptation of Shakespeare's play in the style of experimental French New Wave cinema.  The script was primarily by Peter Sellars and Tom Luddy, and was originally assigned to Norman Mailer.  It is not a typical cinematic adaptation of Shakespeare's tragedy "King Lear", although some lines from the play are used in the film.  Only three characters – Lear, Cordelia and Edgar – are common to both, and only Act I, scene 1 is given a conventional cinematic treatment in that two or three people actually engage in relatively meaningful dialogue.

King Lear (1971 USSR film): King Lear (Russian: Король Лир , "Korol Lir " ) is a 1971 Soviet drama film directed by Grigori Kozintsev, based on William Shakespeare's play "King Lear".  The Russian composer Dmitri Shostakovich composed the score.

K. Rajagopal (director): K. Rajagopal (born 21 September 1965) is a Singaporean film director and screenwriter.  He co-wrote and directed the social drama film "A Yellow Bird", which was selected to be screened at the International Critics' Week, 2016 Cannes Film Festival.  He calls himself a late bloomer and encourages other students to chase after their dreams.  Besides filmmaking, he has also worked onstage and collaborated with many notable theatre directors on projects such as Medea, Mother Courage and Beauty World.  He performed as King Lear in The King Lear Project at the Kunstenfestivaldesarts in Brussels and at the Singapore Arts Festival in 2008, after an 11-year hiatus.  In 2009, he played Faust in Film Faust for the Esplanade Presents Series.

Michael Hordern: Sir Michael Murray Hordern, CBE (3 October 19112 May 1995) was an English stage and film actor whose career spanned nearly 60 years.  He is best known for his Shakespearean roles, especially that of King Lear, which he played to much acclaim on stage in Stratford-upon-Avon in 1969 and London in 1970.  He then successfully assumed the role on television five years later.  He often appeared in film, rising from a bit part actor in the late 1930s to a member of the main cast; by the time of his death he had appeared in nearly 140 cinema roles.  His later work was predominantly in television and radio.

The Yiddish King Lear: The Yiddish King Lear (Yiddish: דער ייִדישער קעניג ליר‎ "Der Yidisher Konig Lir", also known as The Jewish King Lear) was an 1892 play by Jacob Gordin, and is generally seen as ushering in the first great era of Yiddish theater in the Yiddish Theater District, in which serious drama gained prominence over operetta.

Enter a Free Man: Enter a Free Man is a play by Tom Stoppard that follows the story of an unsuccessful inventor named George Riley.  The play was first performed on March 28, 1968 at the St. Martin's Theatre.  It was directed by Frith Banbury and starred Michael Hordern.

King Lear (1999 film): King Lear is a 1999 adaptation of William Shakespeare's play of the same name.  The film stars Brian Blessed (who also co-directed the film, along with Tony Rotherham) in the title role.  Apart from Peter Brook's "King Lear" in 1971, it is the only other feature length film adaptation to preserve Shakespeare's verse.  Yvonne Griggs, in "Shakespeare's King Lear: A close study of the relationship between text and film" (2009), characterised it as "a very stilted costume drama".

Supporting paragraphs: Enter a Free Man Michael Hordern
Answer: 1968