Please answer the following question: Information: - Edna Purviance (October 21, 1895 January 13, 1958) was an American actress during the silent movie era. She was the leading lady in many of Charlie Chaplin's early films and in a span of eight years, she appeared in over 30 films with him. - The Essanay Film Manufacturing Company was an American motion picture studio. It is best known today for its series of Charlie Chaplin comedies of 1915. - Leo White (November 10, 1882 September 20, 1948) was a stage performer who appeared as a character actor in many Charlie Chaplin films. - The Champion is a comedy film released in 1915 by Essanay Studios , starring Charles Chaplin alongside Edna Purviance and Leo White . Essanay co-owner and star , Broncho Billy Anderson can be seen as an enthusiastic audience member in the boxing match scene . - Silent Movie is a 1976 American satirical comedy film co-written, directed by, and starring Mel Brooks, and released by 20th Century Fox on June 17, 1976. The ensemble cast includes Dom DeLuise, Marty Feldman, Bernadette Peters, and Sid Caesar, with appearances by Anne Bancroft, Liza Minnelli, Burt Reynolds, James Caan, Marcel Marceau, and Paul Newman playing themselves. What entity does 'the champion ' has the relation 'screenwriter' with?
Answer:
charlie chaplin