question: Where is the American film and television production company best known for creating and producing the "Star Wars" based in, that also has a publishing initiative that connects the "Star Wars" sequel films with previous film installments in the franchise ?
answer: Letterman Digital Arts Center
context: Title: Lucasfilm
  Passage: Lucasfilm Ltd.  LLC is an American film and television production company based in the Letterman Digital Arts Center in San Francisco, California.  The studio is best known for creating and producing the "Star Wars" and "Indiana Jones" franchises, as well as its leadership in developing special effects, sound and computer animation for film.  Lucasfilm was founded by filmmaker George Lucas in 1971 in San Rafael, California; most of the company's operations were moved to San Francisco in 2005.  The Walt Disney Company acquired Lucasfilm in 2012 at a valuation of $4.06 billion.
  Title: Star Wars: The Force Awakens
  Passage: Star Wars: The Force Awakens (also known as Star Wars: Episode VII – The Force Awakens) is a 2015 American epic space opera film co-written, co-produced and directed by J. J. Abrams.  The sequel to 1983's "Return of the Jedi", "The Force Awakens" is the first installment of the "Star Wars" sequel trilogy.  It stars Harrison Ford, Mark Hamill, Carrie Fisher, Adam Driver, Daisy Ridley, John Boyega, Oscar Isaac, Lupita Nyong'o, Andy Serkis, Domhnall Gleeson, Anthony Daniels, Peter Mayhew, and Max von Sydow.  Produced by Lucasfilm Ltd. and Abrams' production company Bad Robot Productions and distributed worldwide by Walt Disney Studios Motion Pictures, "The Force Awakens" was the first "Star Wars" film not produced by franchise creator George Lucas.  Set 30 years after "Return of the Jedi", it follows Rey, Finn and Poe Dameron's search for Luke Skywalker and their fight alongside the Resistance, led by veterans of the Rebel Alliance, against Kylo Ren and the First Order, a successor to the Galactic Empire.
  Title: Journey to Star Wars
  Passage: "Journey to "Star Wars" is a Disney/Lucasfilm publishing initiative that connects the "Star Wars" sequel films with previous film installments in the franchise.  It currently includes the initiatives "Journey to "Star Wars: The Force Awakens" and "Journey to "Star Wars: The Last Jedi"".  All titles under the program are canonical to the "Star Wars" universe.
  Title: Star Wars: Thrawn
  Passage: Star Wars: Thrawn (also known simply as Thrawn) is a "Star Wars" novel by Timothy Zahn, published on April 11, 2017 by Del Rey Books.  It chronicles the origins of Grand Admiral Thrawn, a popular character originating from the "Star Wars Legends" line of works, which were declared non-canon to the franchise after Lucasfilm redefined "Star Wars" continuity in April 2014.  The novel was announced in July 2016 alongside news that the character Thrawn would be reintroduced into the "Star Wars" franchise on the 3D CGI animated television series "Star Wars Rebels".
  Title: Star Wars comics
  Passage: "Star Wars" comics have been produced by various comic book publishers since the debut of the 1977 film "Star Wars".  An eponymous series by Marvel Comics began in 1977 with a six-issue comic adaptation of the film and ran for 107 issues, until 1986.  Blackthorne Publishing released a three-issue run of 3-D comics from 1987 to 1988.  Dark Horse published the limited series "" in 1991, and ultimately produced over 100 "Star Wars" titles until 2014, including manga adaptations of the original trilogy of films and the 1999 prequel "".  The Walt Disney Company acquired Marvel in 2009 and Lucasfilm and in 2012, and the "Star Wars" comics license returned to Marvel in 2015.  In 2017, IDW Publishing launched the anthology series "Star Wars Adventures".
  Title: Star Wars: The Clone Wars (2008 TV series)
  Passage: Star Wars: The Clone Wars is an American 3D CGI animated television series created by George Lucas and produced by Lucasfilm Animation with the division Lucasfilm Animation Singapore, Lucasfilm and CGCG Inc.  The series debuted on the US version of Cartoon Network on October 3, 2008.  It is set in the fictional "Star Wars" galaxy during the three years between the prequel films "" and "", the same time period as the previous 2D 2003 TV series "".  Each episode has a running time of 22 minutes to fill a half-hour time slot.  In 2007, "Star Wars" creator George Lucas stated "there will be at least 100 episodes produced [about five seasons]".  Dave Filoni is the supervising director of the series.  Genndy Tartakovsky, director of the first "Clone Wars" series, was not involved with the production, but character designer Kilian Plunkett referred to the character designs from the 2D series when designing the characters for the 3D series.  There is also an online comic, depicting story-snippets between the single episodes.
  Title: Star Wars (1987 video game)
  Passage: Star Wars (スター・ウォーズ , Sutā Wōzu ) is a Family Computer video game released in 1987 by Namco.  Despite being based on the first "Star Wars" film, some levels are based on the later two "Star Wars" films.  It is the only game in the "Star Wars" franchise that was released exclusively in Japan.  The game is a common side-scrolling platformer where the player controls Luke Skywalker (appearing with black hair due to color limitations), as he travels to join the Rebellion against the Empire.
  Title: Lego Star Wars II: The Original Trilogy
  Passage: Lego Star Wars II: The Original Trilogy is a Lego-themed action-adventure video game developed by Traveller's Tales and published by LucasArts and TT Games Publishing.  It was released on 11 September 2006.  Part of the "Lego Star Wars" series, it is based on the "Star Wars" science fiction media franchise and Lego Group's "Star Wars"-themed toy line.  It follows the events of the "Star Wars" films "Star Wars", "The Empire Strikes Back" and "Return of the Jedi".  The game allows players to assume the roles of over 50 Lego versions of characters from the film series; customized characters can also be created.  Camera movement was improved from its predecessor—""; and the concept of "vehicle levels" was explored more thoroughly.  The game was revealed at American International Toy Fair 2006.  Promotions for the game were set up at chain stores across the United States.
  Title: Star Wars Battlefront (2015 video game)
  Passage: Star Wars Battlefront is an action shooter video game developed by EA DICE, with additional work from Criterion Games, and published by Electronic Arts.  The game, based on the "Star Wars" franchise, is the third major release in the "" sub-series, and is considered a reboot to the previous games, instead of a sequel.  The game was released worldwide in November 2015, and received mixed reviews from critics.  Critics praised the game for its gameplay, visuals, musical scores and high production values but was criticized for its lack of content on both single player and multiplayer modes.  More than 14 million copies have been shipped.  A sequel, "Star Wars Battlefront II", was announced for release on November 17, 2017.
  Title: Star Wars: Battlefront (2004 video game)
  Passage: Star Wars: Battlefront is a 2004 first- and third-person shooter video game based on the "Star Wars" film franchise.  Developed by Pandemic Studios and published by LucasArts, it is the first game in the "" series.  It was released on September 21, 2004, for PlayStation 2, Xbox and Microsoft Windows to coincide the release of the "Star Wars Trilogy" DVD set.  Aspyr released a Macintosh port in July 2005, and a cellular phone version, Star Wars Battlefront Mobile, was released November 1, 2005.  A sequel, "", was released on November 1, 2005, for Windows, Xbox, PlayStation 2 and PlayStation Portable.  The game is primarily played as a conquest game, however other modes such as Galactic Conquest bring strategy elements to the title.
citations: Lucasfilm Journey to Star Wars