Question: Which 1917 British silent drama film stars the professional boxer with the nickname "The Mighty Atom"?

Context paragraphs:
The Cost of a Kiss: The Cost of a Kiss is a 1917 British silent drama film directed by Adrian Brunel and starring Bertram Wallis, Marjorie Day and Edward Cooper.  It marked the feature film debut of Brunel who went on to become a leading British director of the 1920s.  It was the only film produced by Mirror Films, a company set up by Brunel and the screenwriter H. Fowler Mear.

Flames (1917 film): Flames is a 1917 British silent drama film directed by Maurice Elvey and starring Margaret Bannerman, Owen Nares and Edward O'Neill.  It is based on a novel by Robert Hichens.  It follows the experiments of a strange occultist.

Little Women (1917 film): Little Women is a 1917 British silent drama film directed by Alexander Butler and starring Daisy Burrell, Mary Lincoln and Minna Grey.  It was the first film adaptation of the American novel "Little Women" by Louisa May Alcott.  It is now considered a lost film.

A Pit Boy's Romance: A Pit Boy's Romance is a 1917 British silent drama film directed by A.E. Coleby and Arthur Rooke and starring Jimmy Wilde, Tommy Noble and Arthur Rooke.  The film ends with the villain's protégé losing a boxing match to the hero, a plot similar to that of Coleby's film of the previous year "Kent, the Fighting Man".

Jimmy Wilde: William James Wilde (15 May 1892 – 10 March 1969) was a British professional boxer and world boxing champion from Wales.  Often regarded as the greatest British fighter of all time, he was the first official World Flyweight Champion and was rated by American boxing writer Nat Fleischer, as well as many other professionals and fans including former boxer, trainer, manager and promoter, Charley 'Broadway' Rose, as "the Greatest Flyweight Boxer Ever."  Wilde earned various nicknames such as, "The Mighty Atom," "Ghost with the Hammer in His Hand" and "The Tylorstown Terror" due to his bludgeoning punching power.  While reigning as the world's greatest flyweight, Wilde would take on Bantamweights and even Featherweights, and knock them out.  As well as his professional career, Wilde participated in 151 bouts judged as 'newspaper decisions', of these he boxed 70 rounds, won 7 and lost 1, with 143 being declared as 'no decisions'.  Wilde has the longest recorded unbeaten streak in boxing history, having gone 104-0.

The Lost Chord (1917 film): The Lost Chord is a 1917 British silent drama film directed by Wilfred Noy and starring Barbara Conrad, Malcolm Keen and Dorothy Bellew.  It was inspired by Arthur Sullivan's The Lost Chord.  In 1925 when Noy moved to the United States, he remade the film as his American debut.

The Labour Leader: The Labour Leader is a 1917 British silent drama film directed by Thomas Bentley and starring Fred Groves, Fay Compton and Owen Nares.  The film was based on an original screenplay by Kenelm Foss.

Nearer My God to Thee (film): Nearer My God to Thee is a 1917 British silent drama film directed by Cecil M. Hepworth and starring Henry Edwards, Alma Taylor and A.V. Bramble.  It is not known whether the film currently survives.

Mary Girl: Mary Girl is a 1917 British silent drama film directed by Maurice Elvey and starring Norman McKinnel, Jessie Winter and Margaret Bannerman.

Broken Threads: Broken Threads is a 1917 British silent drama film directed by Henry Edwards and starring Edwards, Chrissie White and A.V. Bramble.

Supporting paragraphs: A Pit Boy's Romance Jimmy Wilde
Answer: A Pit Boy's Romance