Question: The actress who plays Vala Mal Doran in Stargate SG-1 is of what nationality?

<P0-S0> Season eight of "Stargate SG-1", an American-Canadian military science fiction television series, began airing on July 9, 2004 on the Sci Fi channel. <P0-S1>  The eighth season concluded on February 22, 2005, after 20 episodes on British Sky One, which overtook the Sci Fi Channel in mid-season. <P0-S2>  This was the first season of the show to have 20 episodes instead of 22, as well as the first to air concurrently with "Stargate SG-1" spinoff series "Stargate Atlantis" (the first season thereof). <P0-S3>  The series was originally developed by Brad Wright and Jonathan Glassner, while Brad Wright and Robert C. Cooper served as executive producers. <P0-S4>  Season eight regular cast members include Richard Dean Anderson, Amanda Tapping, Christopher Judge, and Michael Shanks. <P0-S5>  The eighth season begins with the SG-1 team trying to revive Colonel Jack O'Neill (Richard Dean Anderson) after the events of the seventh season. <P0-S6>  At the end of the two-episode season opener, Colonel O'Neill is promoted to General and assumes command of Stargate Command (SGC), while Major Samantha Carter (Amanda Tapping) is promoted to Lieutenant Colonel and assumes command of SG-1. <P0-S7>  The season arc centers on the growing threat and seemingly final defeat of the Goa'uld and the Replicators, races who were introduced in the first and third season of the show, respectively. <SEP> <P1-S0> Vala Mal Doran is a fictional character in the American military science fiction television series "Stargate SG-1", a science fiction show about a military team exploring the galaxy via a network of alien transportation devices. <P1-S1>  Played by former "Farscape" actress Claudia Black, Vala was created by Damian Kindler and Robert C. Cooper as a guest character for the season 8 episode "Prometheus Unbound" (2004). <P1-S2>  Because of the on-screen chemistry between Black's Vala and Michael Shanks' character Daniel Jackson, and the character's popularity with the producers and the audience, Claudia Black became a recurring guest star in season 9 (2005–2006) and joined the main cast in season 10 (2006–2007). <SEP> <P2-S0>  The ninth season concluded on March 10, 2006, after 20 episodes on the same channel. <P2-S1> Season nine of "Stargate SG-1", an American-Canadian television series, began airing on July 15, 2005 on SCI FI. <P2-S2>  The series was originally developed by Brad Wright and Jonathan Glassner, and Brad Wright, Robert C. Cooper, Joseph Mallozzi and Paul Mullie served as executive producers. <P2-S3>  The season arc centers on the new threat of the Ori, a race who Daniel Jackson (Michael Shanks) and Vala Mal Doran (Claudia Black) unleash in an unknown galaxy, and who are threatening to prepare for a crusade into the Milky Way galaxy to convert the beings to their religion called Origin. <SEP> <P3-S0> Claudia Lee Black (born 11 October 1972) is an Australian actress and voice actress, known for her portrayals of Aeryn Sun in the science fiction series "Farscape" and Vala Mal Doran in the science fiction series "Stargate SG-1", as well as Sharon "Shazza" Montgomery in the film "Pitch Black". <P3-S1>  She has also had several prominent roles in video games, such as Chloe Frazer in the "Uncharted" series, the witch Morrigan in "" and "", Daro'Xen in "Mass Effect 2" and "Mass Effect 3", and squadmate Samantha Byrne in "Gears of War 3". <P3-S2>  She also starred as Doctor Sabine Lommers in the miniseries "Containment".