Question: It's a Long, Long Way to Tipperary is a 1914 Australian silent film based on which British music hall song written by Jack Judge and co-credited to Henry James "Harry" Williams?
Context: The Sentimental Bloke (1919) is an Australian silent film based on the 1915 poem "The Songs of a Sentimental Bloke" by C. J. Dennis.  It is generally considered the greatest Australian silent film, and one of the best Australian movies of all time. The Day is a 1914 Australian silent film directed by Alfred Rolfe.  It is a propaganda film about German brutality in Europe during World War I.  It is considered a lost film. The Romance of Runnibede is a 1928 Australian silent film based on an incident in a book by Steele Rudd.  Unlike many Australian silent movies, a copy of it exists today. "I'm Henery the Eighth, I Am" (also "I'm Henery the VIII, I Am" or "I'm Henry VIII, I Am"; spelled "Henery" but pronounced "'Enery" in the Cockney style normally used to sing it) is a 1910 British music hall song by Fred Murray and R. P. Weston.  It was a signature song of the music hall star Harry Champion.  In 1965, it became the fastest-selling song in history to that point when it was revived by Herman's Hermits, becoming the group's second number-one on the "Billboard" Hot 100 chart.  The lead solo on the Hermits' version was played by the group's lead guitarist Derek "Lek" Leckenby. "Waiting at the Church" is a popular British music hall song written by Fred Leigh (words) and Henry Pether (music) for Vesta Victoria.  It is sung by a bride-to-be who has given her fiancé, Obadiah Binks, all her money to buy a ring or a house only to be left "waiting at the church", and finds out the truth when Obadiah sends her a note telling her he is already married.  It has featured in a number of films since the earliest days of cinema.  The silent film "Waiting at the Church" featured a performance by Victoria as she acted out the lyrics.  Several other silent films were made to accompany recordings of the song.  Sound films which use the song include "Here Come the Huggetts", "Millions Like Us" and "I Thank You".  Richard Thompson included it on his album "1000 Years of Popular Music".  It has also been covered many times, including by Julie Andrews and Miss Piggy. The Shepherd of the Southern Cross is a 1914 Australian silent film about an Englishwoman torn between two men.  It was the first feature film produced by Australasian Films. The Silence of Dean Maitland is a 1914 Australian silent film directed by Raymond Longford.  It is an adaptation of the novel of the same name by Maxwell Gray which was later filmed by Ken G. Hall in 1934.  It is considered a lost film. It's a Long, Long Way to Tipperary is a 1914 Australian silent film based on the song "It's a Long Way to Tipperary" by Jack Judge. "It's a Long Way to Tipperary" is a British music hall song written by Jack Judge and co-credited to Henry James "Harry" Williams.  It was allegedly written for a 5-shilling bet in Stalybridge on 30 January 1912 and performed the next night at the local music hall.  Now commonly called "It's a Long Way to Tipperary", the original printed music calls it "It's a Long, Long Way to Tipperary."  It became popular among soldiers in the First World War and is remembered as a song of that war. "Any Old Iron" is a British music hall song written by Charles Collins, Fred E. Terry and E.A. Sheppard.  The song was made famous by Harry Champion, who sang it as part of his act and recorded it, in 1911.
Answer: It's a Long, Long Way to Tipperary