Question: Do both directors of films Sky High (1951 film) and Oil Sands Karaoke share the same nationality?

<P0-S0> Sky High Saunders( aka Skyhigh Saunders and Sky- High Saunders) is a 1927 American silent action film directed by Bruce M. Mitchell. <P0-S1> The film stars Al Wilson( playing both" Sky- High" Saunders and his twin brother, Michael Saunders), Elsie Tarron and Frank Rice. <P0-S2> " Sky High Saunders" was one of a series of films that showcased the exploits of the stunt pilots in Hollywood. <SEP> <P1-S0> In addition to his staggering feature output, he also directed one- and two- reel comedy shorts, training films, industrial films, TV episodes and pretty much anything anyone would pay him for. <P1-S1> Because of this massive output—he would sometimes direct more than 20 films in a single year —he has been called the most prolific director of the sound era. <P1-S2> Many of Newfield's films were made for PRC Pictures. <P1-S3> This was a film production company headed by his brother Sigmund Neufeld. <P1-S4> Sam Newfield, born Samuel Neufeld,( December 6, 1899- November 10, 1964), also known as Sherman Scott or Peter Stewart, was an American B-movie director, one of the most prolific in American film history —he is credited with directing over 250 feature films in a career which began during the silent era and ended in 1958. <P1-S5> The films PRC produced were low- budget productions, the majority being westerns, with an occasional horror film or crime drama. <SEP> <P2-S0> He is best known for his" environmental quadrilogy" of documentaries:" Peace OutOil Sands Karaoke" and and" Vancouver: No Fixed Address". <P2-S1> All four films premiered at Hot Docs International Documentary Festival, and have gone on to win awards at Hot Docs, the Vancouver International Film Festival and Yorkton Film Festival. <P2-S2> Charles Wilkinson is a Canadian documentary filmmaker and film and television director. <P2-S3> Before moving into documentaries, Wilkinson worked for many years in dramatic television series and on feature films. <P2-S4> His directing credits include such TV series as," The ImmortalSo WeirdDead Man's GunRoad to Avonlea" and" The Beachcombers", the feature films" My Kind of TownMaxBlood Clan" and" Breach of Trust", and the TV movie" Heart of the Storm". <P2-S5> As a preteen, he was one of the original performers in the Calgary Safety Roundup, paired with his brother Billy as kid cowboy singers. <P2-S6> " We sang both kinds- country and western." <SEP> <P3-S0> The film has music composed by Bert Shefter. <P3-S1> Sky High is a 1951 American comedy film directed by Sam Newfield and starring Sid Melton, Mara Lynn, Sam Flint, Douglas Evans and Fritz Feld. <SEP> <P4-S0> <P0-S0> Sky High Saunders( aka Skyhigh Saunders and Sky- High Saunders) is a 1927 American silent action film directed by Bruce M. Mitchell. <P4-S1> <P0-S1> The film stars Al Wilson( playing both" Sky- High" Saunders and his twin brother, Michael Saunders), Elsie Tarron and Frank Rice. <P4-S2> <P0-S2> " Sky High Saunders" was one of a series of films that showcased the exploits of the stunt pilots in Hollywood. <SEP> <P5-S0> The film follows five people working in or around the infamous Athabasca oil sands of Northern Alberta as they compete in a karaoke contest held at local watering hole Bailey's Pub. <P5-S1> Oil Sands Karaoke is a 2013 feature documentary film directed by Charles Wilkinson. <P5-S2> The film was produced by Wilkinson and Tina Schliessler, and executive produced by Kevin Eastwood and Knowledge Network's Murray Battle.