Question: When was the last episode of the series with a character named Val Mal Doran?
Context: Val Lewton (May 7, 1904 – March 14, 1951) was a Russian-American novelist, film producer and screenwriter best known for a string of low-budget horror films he produced for RKO Pictures in the 1940s.  His son, also named Val Lewton, was a painter and exhibition designer. Valerie Olivia Whiting (born April 9, 1972) (now named Val Raymond) is a former professional basketball player. Malcolm "Mal" Reynolds is a fictional character and the protagonist of the "Firefly" franchise.  Mal is played by actor Nathan Fillion in the 2002 TV series "Firefly" and the 2005 film "Serenity".  In the series, Mal is a former Browncoat sergeant and the captain of the ""Firefly"-class" spaceship "Serenity".  The character was named #18 in "TV Guide"'s Greatest Sci-Fi Legends list in 2004. Bovegno is a "comune" in the province of Brescia, in Lombardy.  It borders the communes of Artogne, Berzo Inferiore, Bienno, Collio, Esine, Gianico, Irma, Marmentino and Pezzaze.  It is pronounced Bòvegno ("Böegn" in the local Eastern Lombard dialect).  It is located in the valley named Val Trompia. 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".  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".  She also starred as Doctor Sabine Lommers in the miniseries "Containment". The Gamspleisspitze (German, also "Gemspleisspitze") or Paraid Naira (Romansh) is a mountain of the Silvretta Alps, located on the border between Austria and Switzerland.  From this peak, the border approaching south from the Fluchthorn departs east to intersect the neighboring valley in an Austrian lower (north) part named Fimbatal and an uninhabited Swiss upper (south) part, named Val Fenga.  On the Austrian west site lies the also uninhabited Larein valley. "Lisa the Drama Queen" is the ninth episode of the twentieth season of "The Simpsons".  It originally aired on the Fox network in the United States on January 25, 2009 and guest starred Emily Blunt as Juliet.  A special version of the end credits theme was performed by Fall Out Boy, although they do not guest star in the actual episode.  This was the last episode in the series to be presented only in standard definition, the first regular episode to begin right after the opening credits without a commercial break, with an episode now having four segments, and the last episode to use the original opening sequence starting from Season 2.  Brian Kelley returns as a writer after five seasons of being absent from the show.  The episode is very loosely based on the 1994 film "Heavenly Creatures". 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.  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).  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). Season ten of "Stargate SG-1", an American-Canadian television series, began airing on July 14, 2006 on Sci Fi Channel (United States).  The final season of the series concluded after 20 episodes on March 13, 2007 on Sky 1, which overtook the Sci-Fi Channel in mid-season.  The series was developed by Brad Wright and Jonathan Glassner.  Brad Wright, Robert C. Cooper, Joseph Mallozzi, and Paul Mullie served as executive producers.  Season ten regular cast members include Ben Browder, Amanda Tapping, Christopher Judge, Beau Bridges, Claudia Black, and Michael Shanks. Season nine of "Stargate SG-1", an American-Canadian television series, began airing on July 15, 2005 on SCI FI.  The ninth season concluded on March 10, 2006, after 20 episodes on the same channel.  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.  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.
Answer: March 13, 2007