Question: Which film has the director who is older than the other, Undercover Agent or What A Girl? 

Knowledge 1: Howard Bretherton
Howard Bretherton( 13 February 1890, Tacoma, Washington – 12 April 1969, San Diego, California) was an American film director, film editor, and the father of film editor David Bretherton. [SEP] Knowledge 2: Urban Gad
Peter Urban Gad( 12 February 1879 in Korsør, Denmark – 26 December 1947 in Copenhagen, Denmark) was a Danish film director.He directed 40 film between 1910 and 1927.His wife Asta Nielsen starred in 30 of his films, also in his début the famous film" Afgrunden The Abyss") from 1910.They moved to Germany in 1911 where Gad worked with Paul Davidson until 1922.His uncle was Paul Gauguin.His mother was the( in Denmark) very well known playwright and expert of good manners Emma Gad.His films include a German- language adaptation of Gerhart Hauptmann's play" The Assumption of Hannele", which Gad directed in 1922. [SEP] Knowledge 3: Undercover Agent
Undercover Agent is a 1939 American drama film directed by Howard Bretherton and starring Russell Gleason, Shirley Deane, and J. M. Kerrigan.It was released on April 5, 1939. [SEP] Knowledge 4: What a Girl
What a Girl( German: So ein Mädel) is a 1920 German silent film directed by Urban Gad and starring Hella Moja and Harry Liedtke and Ferry Sikla.
Knowledge 1: Undercover Agent
Undercover Agent is a 1939 American drama film directed by Howard Bretherton and starring Russell Gleason, Shirley Deane, and J. M. Kerrigan.It was released on April 5, 1939. [SEP] Knowledge 2: Howard Bretherton
Howard Bretherton( 13 February 1890, Tacoma, Washington – 12 April 1969, San Diego, California) was an American film director, film editor, and the father of film editor David Bretherton. [SEP] Knowledge 3: Urban Gad
Peter Urban Gad( 12 February 1879 in Korsør, Denmark – 26 December 1947 in Copenhagen, Denmark) was a Danish film director.He directed 40 film between 1910 and 1927.His wife Asta Nielsen starred in 30 of his films, also in his début the famous film" Afgrunden The Abyss") from 1910.They moved to Germany in 1911 where Gad worked with Paul Davidson until 1922.His uncle was Paul Gauguin.His mother was the( in Denmark) very well known playwright and expert of good manners Emma Gad.His films include a German- language adaptation of Gerhart Hauptmann's play" The Assumption of Hannele", which Gad directed in 1922. [SEP] Knowledge 4: What a Girl
What a Girl( German: So ein Mädel) is a 1920 German silent film directed by Urban Gad and starring Hella Moja and Harry Liedtke and Ferry Sikla.
Knowledge 1: Undercover Agent
Undercover Agent is a 1939 American drama film directed by Howard Bretherton and starring Russell Gleason, Shirley Deane, and J. M. Kerrigan.It was released on April 5, 1939. [SEP] Knowledge 2: Howard Bretherton
Howard Bretherton( 13 February 1890, Tacoma, Washington – 12 April 1969, San Diego, California) was an American film director, film editor, and the father of film editor David Bretherton. [SEP] Knowledge 3: Urban Gad
Peter Urban Gad( 12 February 1879 in Korsør, Denmark – 26 December 1947 in Copenhagen, Denmark) was a Danish film director.He directed 40 film between 1910 and 1927.His wife Asta Nielsen starred in 30 of his films, also in his début the famous film" Afgrunden The Abyss") from 1910.They moved to Germany in 1911 where Gad worked with Paul Davidson until 1922.His uncle was Paul Gauguin.His mother was the( in Denmark) very well known playwright and expert of good manners Emma Gad.His films include a German- language adaptation of Gerhart Hauptmann's play" The Assumption of Hannele", which Gad directed in 1922. [SEP] Knowledge 4: Logan Sandler
Logan Sandler is an American writer and director who is best known for his first feature film" Live Cargo".

Answer: What A Girl