Question: Which director wrote more plays, Sacha Guitry or Russell Mulcahy?

Context articles: Théâtre Édouard VII
Sacha Guitry
Russell Mulcahy
Plays and films of Sacha Guitry
Nine Bachelors
The Lame Devil (film)
Je l'ai été trois fois
The Treasure of Cantenac
Pearls of the Crown
Confessions of a Cheat

The Théâtre Édouard VII, also called théâtre Édouard VII – Sacha Guitry, is located in Paris between the Madeleine and the Opéra Garnier in the 9th arrondissement.
 The square, in which there is a statue of King Edward the seventh, was opened in 1911.
 The theatre, which was originally a cinema, was named in the honour of King Edward 7, as he was nicknamed the "most Parisian of all Kings", appreciative of French culture.
 In the early to mid 1900s,under the direction of Sacha Guitry, the theatre became a symbol of anglo-franco friendship, and where French people could discover and enjoy Anglo Saxon works.
 French actor and director Bernard Murat is the current director of the theatre.
 Modern "boulevard comedies" and vaudevilles are often performed there, and subtitled in English by the company Theatre in Paris.
 Important figures in the arts, cinema and theatre have performed there, including Orson Welles, Eartha Kitt, and more.
 Pablo Picasso created props for a play at the Théâtre Edouard VII in 1944.
Alexandre-Pierre Georges "Sacha" Guitry (] ; 21 February 188524 July 1957) was a French stage actor, film actor, director, screenwriter, and playwright of the Boulevard theatre.
 He was the son of a leading French actor, Lucien Guitry, and followed his father into the theatrical profession.
 He became known for his stage performances, often in boulevardier roles, in the many plays he wrote, of which there were more than 120.
 He was married five times, always to rising actresses whose careers he furthered.
 Probably his best-known wife was Yvonne Printemps to whom he was married between 1919 and 1932.
Russell Mulcahy (born 23 June 1953 in Melbourne, Australia) is an Australian film director.
 Mulcahy's work is recognizable by the use of fast cuts, tracking shots and use of glowing lights, and he was one of the most prominent music video directors of the 1980s.
 He has also worked in television since the early 1990s and as a director on episodes of MTV's "Teen Wolf".
The French actor, writer, manager and director, Sacha Guitry had a prolific output of plays and films.
 His stage works range from historical dramas to contemporary light comedies.
 Some have musical scores, by composers including André Messager and Reynaldo Hahn.
 During the era of silent films Guitry avoided them, finding the lack of spoken dialogue fatal to dramatic impact.
 From the 1930s to the end of his life he enthusiastically embraced the cinema, making as many as five films in a single year.
Nine Bachelors is a 1939 French comedy film directed by Sacha Guitry and starring Guitry, Max Dearly and Elvire Popesco.
 An opportunist dreams up a new scheme to make money when the French government passes a law forbidding foreigners from living in France.
 Its French title is Ils étaient neuf célibataires.
The Lame Devil (UK: The Devil Who Limped; original title: Le Diable boiteux , French for "the devil with a limp") is a 1948 French black-and-white historical film written and directed by Sacha Guitry.
 A biography of the titular French diplomat Talleyrand (1754–1838), it stars Guitry in the lead role.
 Originally forbidden by the French censorship and turned into a play, the film went on to be released into six languages.
Je l'ai été trois fois French: "I Did It Three Times" , is a French comedy film from 1952, directed by Sacha Guitry, written by Sacha Guitry, starring Sacha Guitry and Louis de Funès.
 The English international title of this film is "She and Me".
The Treasure of Cantenac (French: Le trésor de Cantenac) is a 1950 French comedy film directed by Sacha Guitry and starring Guitry, Lana Marconi and Michel Lemoine.
The Pearls of the Crown (French: "Les Perles de la couronne" ) is a 1937 French comedy film of historically-based fiction by Sacha Guitry who plays four roles in it (many of the other performers play multiple roles, as well).
 Guitry's Jean Martin investigates the history of seven pearls, four of which end up on the crown of England, while the other three initially go missing.
Le Roman d'un tricheur (sometimes known in English as The Story of a Cheat, but also as "Confessions of a Cheat", "The Story of a Trickster", or "The Cheat") is a 1936 film starring, written and directed by Sacha Guitry.
 It was adapted from Guitry's only novel, "Les Mémoires d'un tricheur", published in 1935.