Question: Who appeared in 270 films between 1910 and 1952 and directed 38 silent films between 1915 and 1927, Richard Boleslawski or Howard M. Mitchell?

full_context: Document 1: Richard Oswald: Richard Oswald (5 November 1880 – 11 September 1963) was an Austrian director, producer, and screenwriter.
Document 2: Aleksey Burago: Aleksey Burago (Director) graduated from Moscow Academy of Theatre Arts (GITIS) and studied with world famous theater director Pyotr Fomenko. His Moscow directing credits include: "Beyond Recognition." Off-Broadway, he has directed "Gamblers," "An Absolutely Happy Village", "Ah! My Dear Andersen" and "On the Eve." At HB Playwrights Foundation, he has directed "Vassa," "Picnic on the Battlefield," "The Master and Margarita," "Wonder Bread" and "Lady with the Lapdog with Jokes and a Happy Ending." His TV credits include "The Queen of Spades" (Actor/Director). His awards include 1992 Best Director - St. Petersburg Comedy Festival and 1993 Best Director - Moscow Annual Festival of Classical Plays. He has been on faculty at Theatre Academy and Conservatory in St. Petersburg, Danish Theatre School GITIS and Manhattanville College, where he taught acting and staged the short stories of Anton Chekhov. The Artistic and Founding Director of The Russian Arts Theater & Studio, Aleksey Burago is now based in New York City. He is an Associate Member of SSDC and also Director-in-Residence at Bilkent University in Ankara, Turkey.
Document 3: Richard Boleslawski: Richard Boleslavsky or Richard Boleslawski (February 4, 1889 – January 17, 1937) was a Polish theatre and film director, actor and teacher of acting.
Document 4: Richard Wallace (director): Richard Wallace (August 26, 1894 – November 3, 1951) was an American film director.
Document 5: Richard Quine: Richard Quine (November 12, 1920 – June 10, 1989) was an American stage, film, and radio actor and, later, a film director. He began acting as a child in radio, vaudeville and in stage productions before being signed to Metro-Goldwyn-Mayer in his early 20s. When his acting career began to wane after World War II, Quine began working as a film director. He later moved into producing and directing television. Quine directed several well known films including "Bell Book and Candle" (1958), "The World of Suzie Wong" (1960), "Paris When It Sizzles" (1964), "How to Murder Your Wife" (1965), and "The Prisoner of Zenda" (1979).
Document 6: Howard Hawks: Howard Winchester Hawks (May 30, 1896December 26, 1977) was an American film director, producer and screenwriter of the classic Hollywood era. Critic Leonard Maltin called him "the greatest American director who is not a household name."
Document 7: Howard M. Mitchell: Howard M. Mitchell (December 11, 1883 – October 9, 1958) was an American actor and film director. He appeared in 270 films between 1910 and 1952 and directed 38 silent films between 1915 and 1927.
Document 8: Michael Howard (filmmaker): Michael Howard (born Feb 18, 1978) is an American actor, film director, screenwriter, cinematographer, and founder of the film company Invisible Productions.
Document 9: Michael Howard (American actor): Michael Howard (born April 23, 1923) is an American actor, director, and master teacher, and founder of Michael Howard Studios in New York City.
Document 10: F. Richard Jones: Frank Richard Jones (September 7, 1893 – December 14, 1930) was an American director and producer.
Document 11: David Howard (director): David Howard (October 6, 1896 – December 21, 1941) was an American film director. He directed 46 films between 1930 and 1941. He was born as David Paget Davis III in Philadelphia, Pennsylvania and died in Los Angeles, California.
Document 12: Mike Mitchell (director): Mike Mitchell (born October 18, 1970) is an American film director, producer, actor and former animator. He directed the films "Surviving Christmas", "Sky High", "Shrek Forever After" and "".
Document 13: Method acting: Method acting is a range of training and rehearsal techniques that seek to encourage sincere and emotionally expressive performances, as formulated by a number of different theatre practitioners, principally in the United States, where it is among the most popular—and controversial—approaches to acting. These techniques are built on the Stanislavski's "system" of the Russian actor and director Konstantin Stanislavski. Though many have contributed to the development of the Method, three teachers are associated with "having set the standard of its success", though each emphasized different aspects of the approach: Lee Strasberg (the psychological aspects), Stella Adler (the sociological aspects), and Sanford Meisner (the behavioral aspects). The approach was first developed when they worked together at the Group Theatre in New York. All three subsequently claimed to be the rightful heirs of Stanislavski's approach. His three major books were "An Actor Prepares", "Building a Character", and "Creating a Role".
Document 14: Howard Hawks filmography: Howard Hawks (1896–1977) was an American film director who made 46 films (including two uncredited) between 1926 and 1970. He is responsible for classic films in genres ranging from film noir, screwball comedy, crime, science fiction and Western.
Document 15: Bob Fosse: Robert Louis Fosse (June 23, 1927 – September 23, 1987) was an American dancer, musical theatre choreographer, director, screenwriter, film director and actor.
ground_truth: Howard M. Mitchell