Question: Who were the silent films La Roue and Napoleon directed by?

Context paragraphs:
La Roue de la fortune: La Roue de la fortune was the French version of the popular US game show "Wheel of Fortune".  It was originally hosted by Michel Robbe, with other notable hosts being Christophe Dechavanne and Victoria Silvstedt and then by Benjamin Castaldi and 2008's Miss France, Valérie Bègue in early 2012.  It aired on French television network TF1.  The first episode aired on 5 January 1987, running until 1997.  The modern incarnation of the show began in 2006 and ended in March 2012.

Abel Gance: Abel Gance (] ; 25 October 188910 November 1981) was a French film director and producer, writer and actor.  A pioneer in the theory and practice of montage, he is best known for three major silent films: "J'accuse" (1919), "La Roue" (1923), and the monumental "Napoléon" (1927).

Elke Roex: Elke Roex (born 29 June 1974) is a Belgian, Flemish politician and member of the Flemish Parliament for the Socialist Party – Different (Dutch: "Socialistische Partij – Anders" ) (SP.A) since 2004 and a member of the City Council of Anderlecht.  She lives in the architecturally unique district La Roue/Het Rad.

La Roue/Het Rad metro station: La Roue (Dutch: Het Rad ) is a station on the Brussels Metro, served by the western branch of line 5.

Abel Gance filmography: Abel Gance (] ; 25 October 188910 November 1981) was a French film director and producer, writer and actor.  A pioneer in the theory and practice of montage, he is best known for three major silent films: "J'accuse" (1919), "La Roue" (1923), and the monumental "Napoléon" (1927).

La Roue Tourangelle: La Roue Tourangelle is a road bicycle race held annually in the Region Centre-Val de Loire, France.  The editions 2002–2004 were reserved for amateurs; from 2005 until 2012, it was organized as a 1.2 event on the UCI Europe Tour; in 2013 it became a 1.1 event, and as of 2015 it will also be part of the French Road Cycling Cup.

La Roue: La Roue (] , 'The Wheel') is a French silent film, directed by Abel Gance, who also directed "Napoléon" and "J'accuse! ".  It was released in 1923.  The film used then-revolutionary lighting techniques, and rapid scene changes and cuts.

Napoléon (1927 film): Napoléon is a 1927 silent French epic film written, produced, and directed by Abel Gance that tells the story of Napoleon's early years.  On screen, the title is Napoléon vu par Abel Gance, meaning "Napoleon as seen by Abel Gance".  The film is recognised as a masterwork of fluid camera motion, produced in a time when most camera shots were static.  Many innovative techniques were used to make the film, including fast cutting, extensive close-ups, a wide variety of hand-held camera shots, location shooting, point of view shots, multiple-camera setups, multiple exposure, superimposition, underwater camera, kaleidoscopic images, film tinting, split screen and mosaic shots, multi-screen projection, and other visual effects.  A revival of "Napoléon" in the mid-1950s influenced the filmmakers of the French New Wave.

La Ruota Della Fortuna: La Ruota Della Fortuna is the Italian version of "Wheel of Fortune."  The show has run nonstop since 1989 on Rete 4 and Canale 5, and switched from a trilon to an electronic board in 2003, like the U.S. version.  previously hosted by Mike Bongiorno, the show was hosted by Enrico Papi on Italia 1, and featured Victoria Silvstedt from the French version of the show, La Roue de la Fortune.  The Italian version of "Wheel" went off the air in 2009.

Yves Corbeil: Yves Corbeil (born July 18, 1944) is a Canadian actor and television host.  He is currently known as the game show host of the Loto-Québec televised show "La Roue de Fortune" (albeit a different version of Wheel of Fortune).  He was born in Saint-Eugène, Quebec.

Supporting paragraphs: La Roue Napoléon (1927 film)
Answer: Abel Gance