Question: Ist das Ihr Fahrrad Mr O’Brien? is a German biographical radio play about life, works and legacy of an Irish novelist whose many satrical columns were written under what name?

Context:
Ist das Ihr Fahrrad, Mr. O'Brien?
Ist das Ihr Fahrrad Mr O’Brien?
 (Is this your bicycle, Mr. O'Brien?)
 is a German biographical radio play about life, works and legacy of Irish modernist writer Brian O'Nolan (Irish: "Brian Ó Nualláin" ; 5 October 1911 – 1 April 1966).
The Last Station
The Last Station is a 2009 English-language German biographical drama film written and directed by Michael Hoffman, and based on Jay Parini's 1990 biographical novel of the same name, which chronicled the final months of Leo Tolstoy's life.
 The film stars Christopher Plummer as Tolstoy and Helen Mirren as his wife Sofya Tolstaya.
 The film is about the battle between Sofya and his disciple Vladimir Chertkov for his legacy and the copyright of his works.
 The film premiered at the 2009 Telluride Film Festival.
Was ist das
"Was ist das" (English: What is That ) is a song written by Bob Arnz and Gerd Zimmermann, and recorded by German singer LaFee.
 It was released as the third single from LaFee's album "LaFee" in September 2006.
 An English version of the song, entitled "What's Wrong with Me", later appeared on LaFee's third studio album "Shut Up".
Brian O'Nolan
Brian O'Nolan (Irish: "Brian Ó Nualláin" ; 5 October 1911 – 1 April 1966) was an Irish novelist, playwright and satirist, considered a major figure in twentieth century Irish literature.
 Born in Strabane, County Tyrone, he is regarded as a key figure in postmodern literature.
 His English language novels, such as "At Swim-Two-Birds", and "The Third Policeman", were written under the "pen name" Flann O'Brien.
 His many satirical columns in "The Irish Times" and an Irish language novel "An Béal Bocht" were written under the name Myles na gCopaleen.
Stolta Stad!
Stolta stad!
 (Proud city!)
, is one of the Swedish poet and performer Carl Michael Bellman's best-known and best-loved works, from his 1790 collection, "Fredman's Epistles", where it is No. 33.
 It combines spoken sections ("Was ist das?"
, with words in German, Swedish, and French) and song (in Swedish).
 It has been described as Swedish literature's most congenial portrait of its capital city.
Eins, Zwei, Polizei
"Eins, Zwei, Polizei" (German: One, Two, Police) is a 1994 single recorded by Italian dance act Mo-Do.
 It was its debut single from its 1995 album "Was Ist Das?"
 and it achieved great success in many European countries, including Germany, Austria, France, Switzerland, the Netherlands, Sweden and Italy, where it reached the top ten.
Radio brennt
"Radio brennt" ('Radio burns') is a punk song by Die Ärzte.
 It was the seventh track and the third single from their 1987 album "Ist das alles?
 (13 Höhepunkte mit den Ärzten)".
 On the kid's shirt on the cover is Die Ärzte's mascot Sweet Gwendoline.
Opium of the people
"Religion is the opium of the people" is one of the most frequently paraphrased statements of German philosopher and economist Karl Marx.
 It was translated from the German original, ""Die Religion ... ist das Opium des Volkes"" and is often rendered as "religion... is the opiate of the "masses"."
Bach: The Great Passion
Bach: The Great Passion is a 2017 biographical radio play by the English writer James Runcie, dealing with the inception and premiere of the St Matthew Passion.
 It premiered on BBC Radio 4 on 15 April 2017, with Simon Russell Beale in the title role, directed by Eoin O'Callaghan and produced by Marilyn Imrie.
Es ist das Heil uns kommen her, BWV 9
Johann Sebastian Bach composed the church cantata Es ist das Heil uns kommen her (It is our salvation come here to us), BWV 9 , in Leipzig for the sixth Sunday after Trinity between 1732 and 1735.
 It is a chorale cantata, based on the hymn "Es ist das Heil uns kommen her " by Paul Speratus.
 Bach composed the cantata to fill a gap in his chorale cantata cycle written for performances in Leipzig from 1724.

Answer: Myles na gCopaleen