Question: "Star Wars" canon is the depiction of "Star Wars" storylines and characters considered officially canon to the franchise by its owner, Lucasfilm Ltd. LLC, an American film and television production company based in the Letterman Digital Arts Center in which city in California?

Context paragraphs:
The Star Wars Corporation: The Star Wars Corporation, Inc. (SWC) was a company founded by George Lucas in 1973.  It was a subsidiary of his Lucasfilm production company, set up to control various legal and financial aspects of his 1977 movie "Star Wars", including copyright, and sequel and merchandising rights.  By 1980, the company had been discontinued and its business was absorbed into the various divisions of its parent company Lucasfilm Ltd.

Lucasfilm: 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.

Star Wars canon: "Star Wars" canon is the depiction of "Star Wars" storylines and characters considered officially canon to the franchise by its owner, Lucasfilm.  Canon material is represented in media designated as such by the company.

Letterman Digital Arts Center: The Letterman Digital Arts Center, located in the Presidio, San Francisco, became the new combined home of Industrial Light and Magic, LucasArts, and Lucasfilm's marketing, online, and licensing units in 2005.

Star Wars: The Clone Wars (2008 TV series): 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.

List of Star Wars comic books: This is a list of comic books set in the fictional "Star Wars" universe.  Lucasfilm's now-corporate sibling Marvel Comics, which published "Star Wars" comics from 1977 to 1986, are once again publishing "Star Wars" titles that started in 2015.  Dark Horse Comics owned the license to publish "Star Wars" comics from Lucasfilm exclusively from 1991 to 2014.  The only comics considered canon are those released since 2015.

List of Star Wars characters: This list of characters from the "Star Wars" franchise contains only those which are considered part of the official "Star Wars" canon.  Some of these characters have additional and alternate plotlines in the "Star Wars" expanded universe/"Legends" continuity, and characters found in that body of works are compiled in the list of "Star Wars Legends" characters.

Star Wars: Thrawn: 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".

List of Star Wars planets and moons: The fictional universe of the "Star Wars" franchise features multiple planets and moons.  While only the feature films and selected other works are considered canon to the franchise since the 2012 acquisition of Lucasfilm by The Walt Disney Company, some canon planets were first named or explored in works from the non-canon "Star Wars" expanded universe, now rebranded "Star Wars Legends".

Star Wars: The Force Awakens: 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.

Supporting paragraphs: Star Wars canon Lucasfilm
Answer: San Francisco