Question: What is the population of the city where the cast member of The Adventures of Rex and Rinty lived when he died?

full_context: Document 1: Southern California: Southern California is home to Los Angeles International Airport, the second-busiest airport in the United States by passenger volume (see World's busiest airports by passenger traffic) and the third by international passenger volume (see Busiest airports in the United States by international passenger traffic); San Diego International Airport the busiest single runway airport in the world; Van Nuys Airport, the world's busiest general aviation airport; major commercial airports at Orange County, Bakersfield, Ontario, Burbank and Long Beach; and numerous smaller commercial and general aviation airports.
Document 2: Pit Bulls & Parolees: As the rules regarding kennel permits were becoming increasingly strict and expensive in Los Angeles County, the rescue announced on November 13, 2011, that they would be moving the facility out of California in order to survive financially. After considering various locations, it was the memories of VRC's rescue efforts during Hurricane Katrina that led the non-profit group to choose Louisiana for their new home. It took almost a year to make the entire move complete; on January 1, 2012, Tia Torres arrived with the last group of dogs, making the state of Louisiana their one and only permanent location. The new rescue and adoption facility is located in the Upper 9th Ward of New Orleans, Louisiana, with various other ``satellite ''locations scattered throughout the South Louisiana area.
Document 3: Pete the Pup: Pete the Pup (original, 1924 -- June 1930; second Pete, September 9, 1929 -- January 28, 1946) was a character in Hal Roach's Our Gang comedies (later known as The Little Rascals) during the 1930s. Otherwise known as ``Pete, the dog eith the ring around his rye '', or simply`` Petey''. He was well known for having a circled eye which was added by Hollywood make - up artist Max Factor and credited as an oddity in Ripley's Believe It or Not. The original Pete (sired by ``Tudor's Black Jack '') was an American pit bull terrier named`` Pal, the Wonder Dog'', and had a natural ring almost completely around his right eye; dye was used to finish it off.
Document 4: One Hundred and One Dalmatians: Later, Perdita gives birth to a litter of fifteen puppies. That same night, they are visited by Cruella De Vil, a wealthy former schoolmate of Anita's. She offers to buy the entire litter, but Roger says they are not for sale. A few weeks later, she hires her henchmen, Jasper and Horace, to steal them. When Scotland Yard is unable to find them, Pongo and Perdita use the ``Twilight bark '', a canine gossip line, to ask for help from the other dogs in London.
Document 5: The Adventures of Rex and Rinty: The Adventures of Rex and Rinty (1935) is a Mascot film serial starring the equine actor Rex ("The King of Wild Horses") and canine actor Rin Tin Tin, Jr..
Document 6: Lady and the Tramp: On Christmas morning, 1909, in a quaint Midwestern town, Jim Dear gives his wife Darling an American Cocker Spaniel puppy that she names Lady. Lady enjoys a happy life with the couple and befriends two local neighborhood dogs, Jock, a Scottish terrier, and Trusty, a bloodhound. Meanwhile, across town, a stray mongrel called the Tramp lives on his own, dining on scraps from Tony's Italian restaurant and protecting his fellow strays Peg (a Pekingese) and Bull (a bulldog) from the local dogcatcher. One day, Lady is saddened after her owners begin treating her rather coldly. Jock and Trusty visit her and determine that their change in behavior is due to Darling expecting a baby. While Jock and Trusty try to explain what a baby is, Tramp interrupts the conversation and offers his own thoughts on the matter, making Jock and Trusty take an immediate dislike to the stray and order him out of the yard. As Tramp leaves, he reminds Lady that ``when the baby moves in, the dog moves out. ''
Document 7: The Lightning Warrior: The Lightning Warrior is a 1931 American Pre-Code Mascot movie serial starring Rin Tin Tin in his last role. It is regarded as one of the better Mascot serials. A number of the production's outdoor action sequences were filmed on the rocky Iverson Movie Ranch in Chatsworth, California, known for its huge sandstone boulders and widely recognized as the most heavily filmed outdoor shooting location in the history of the movies.
Document 8: I Am Legend (film): Flashbacks reveal that his wife (Salli Richardson) and daughter (Willow Smith) died in a helicopter accident during the chaotic evacuation of Manhattan, prior to the military - enforced quarantine of the island in 2009, in which Neville stays behind on the island as military personnel. Neville's loneliness is mitigated by the companionship of his German Shepherd Samantha aka Sam (given to him by his daughter Marley as a puppy to protect him before she died in the helicopter crash), interaction with mannequins he has set up as patrons at a video store, and recordings of old television broadcasts. At night, he barricades himself and Sam inside his heavily fortified Washington Square Park home to hide from the Darkseekers. One day, while waiting for survivors, Sam follows a deer into a dark building. Neville cautiously goes in after her and finds the deer's corpse along with Sam, but the building is infested by a colony of Darkseekers. Both manage to escape unharmed and the attacking Darkseekers are killed by the sunlight.
Document 9: Southern California: Within southern California are two major cities, Los Angeles and San Diego, as well as three of the country's largest metropolitan areas. With a population of 3,792,621, Los Angeles is the most populous city in California and the second most populous in the United States. To the south and with a population of 1,307,402 is San Diego, the second most populous city in the state and the eighth most populous in the nation.
Document 10: The Devil Horse: The Devil Horse is a 1932 American Pre-Code movie serial starring Harry Carey, Frankie Darro and Noah Beery, Sr. that was distributed by Mascot Pictures. This is regarded as the best of the three serials Harry Carey made in the early 1930's, the other two being "Last of the Mohicans" and "The Vanishing Legion". Frankie Darro had co-starred with Carey previously in "The Vanishing Legion". Lane Chandler played the murdered ranger Elliott Norton, uncredited.
Document 11: San Diego: The city had a population of 1,307,402 according to the 2010 census, distributed over a land area of 372.1 square miles (963.7 km2). The urban area of San Diego extends beyond the administrative city limits and had a total population of 2,956,746, making it the third-largest urban area in the state, after that of the Los Angeles metropolitan area and San Francisco metropolitan area. They, along with the Riverside–San Bernardino, form those metropolitan areas in California larger than the San Diego metropolitan area, with a total population of 3,095,313 at the 2010 census.
Document 12: Rin Tin Tin: In July 1919, Duncan managed to bundle the dogs aboard a ship taking him back to the US at the end of the war. When he got to Long Island, New York, for re-entry processing, he put his dogs in the care of a Hempstead breeder named Mrs. Leo Wanner, who raised police dogs. Nanette was diagnosed with pneumonia; as a replacement, the breeder gave Duncan another female German Shepherd puppy. Duncan headed to California by rail with his dogs. While Duncan was traveling by train, Nanette died in Hempstead. As a memorial, Duncan named his new puppy Nanette II, but he called her Nanette. Duncan, Rin Tin Tin, and Nanette II settled at his home in Los Angeles. Rin Tin Tin was a dark sable color and had very dark eyes. Nanette II was much lighter in color.
Document 13: Southern California: Southern California includes the heavily built-up urban area stretching along the Pacific coast from Ventura, through the Greater Los Angeles Area and the Inland Empire, and down to Greater San Diego. Southern California's population encompasses seven metropolitan areas, or MSAs: the Los Angeles metropolitan area, consisting of Los Angeles and Orange counties; the Inland Empire, consisting of Riverside and San Bernardino counties; the San Diego metropolitan area; the Oxnard–Thousand Oaks–Ventura metropolitan area; the Santa Barbara metro area; the San Luis Obispo metropolitan area; and the El Centro area. Out of these, three are heavy populated areas: the Los Angeles area with over 12 million inhabitants, the Riverside-San Bernardino area with over four million inhabitants, and the San Diego area with over 3 million inhabitants. For CSA metropolitan purposes, the five counties of Los Angeles, Orange, Riverside, San Bernardino, and Ventura are all combined to make up the Greater Los Angeles Area with over 17.5 million people. With over 22 million people, southern California contains roughly 60 percent of California's population.
Document 14: Sports in California: California currently has 19 major professional sports franchises, far more than any other US state. The San Francisco Bay Area has seven major league teams spread amongst three cities: San Francisco, Oakland and San Jose. The Greater Los Angeles Area has twelve major league teams. San Diego and Sacramento each have one major league team.
Document 15: The Fox and the Child: The film was shot on the Plateau de Retord in Ain, which the film director knows well because he spent his youth there, in the summer, as well as in the Abruzzo in Italy. The foxes in the film were played by six animals: Titus, Sally, Ziza, Scott, Tango and Pitchou. Titus was the fox who had been tamed by Marie - Noëlle Baroni. It died on March 17, 2008 at the advanced age of 12 years.
ground_truth: 3,792,621
sub_queries: The Adventures of Rex and Rinty >> cast member Answer: Rin Tin Tin
Where did Rin Tin Tin live when he died? Answer: Los Angeles
What is the population of Los Angeles ? Answer: 3,792,621