Question: Which series aired first, Auction Kings or Pawn Stars?

full_context: Document 1: Richard Benjamin Harrison: Richard Benjamin Harrison Jr., (also known by the nicknames The Old Man and The Appraiser) (born March 4, 1941), is a Las Vegas businessman and reality television personality, best known as the co-owner of the World Famous Gold & Silver Pawn Shop, as featured on the History channel series "Pawn Stars". Harrison was the co-owner of a pawn shop with his son Rick Harrison until he suffered a stroke, causing him to retire.They opened the store together in 1989.
Document 2: Pawn Stars: Pawn Stars is an American reality television series, shown on History, and produced by Leftfield Pictures. The series is filmed in Las Vegas, Nevada, where it chronicles the daily activities at the World Famous Gold & Silver Pawn Shop, a 24-hour family business opened in 1989 and operated by patriarch Richard "Old Man" Harrison, his son Rick Harrison, Rick's son Corey "Big Hoss" Harrison, and Corey's childhood friend, Austin "Chumlee" Russell. The series, which became the network's highest rated show and the No. 2 reality show behind "Jersey Shore", debuted on July 26, 2009.
Document 3: Corey Harrison: Richard Corey "Big Hoss" Harrison (born April 27, 1983) is an American businessman and reality television personality, known as a cast member of the History TV series "Pawn Stars", which documents his work at the World Famous Gold & Silver Pawn Shop in Las Vegas, which he co-owns with his father, Rick Harrison, and grandfather, Richard Benjamin Harrison.
Document 4: Fast N' Loud: Fast N' Loud is a reality styled Discovery Channel TV show featuring Richard Rawlings and Aaron Kaufman from the Dallas, Texas-based Gas Monkey Garage as they search for tired and run-down cars, and with the help of the Gas Monkey Garage crew, restore them for profit. "Fast N' Loud" is unique in the reality genre, since the episodes sometimes incorporate a skit along the theme of the episode.
Document 5: Pawnography: Pawnography is an American game show broadcast by History. Hosted by comedian Christopher Titus and featuring "Pawn Stars" personalities Rick Harrison, Corey Harrison and Austin "Chumlee" Russell as panelists, the series features contestants answering questions for a chance to win cash and items for sale from the Gold and Silver Pawn Shop (where "Pawn Stars" is taped). The show premiered July 10, 2014, at 10 p.m. ET, following "Pawn Stars".
Document 6: Rick Harrison: Richard Kevin "Rick the Spotter" Harrison (born March 22, 1965) is an American, Las Vegas-based businessman and reality television personality, best known as the co-owner of the World Famous Gold & Silver Pawn Shop, as featured on the History series "Pawn Stars". He co-owns the pawn shop with his father, Richard Benjamin Harrison, which they opened in 1989. Harrison dropped out of high school to pursue his "$2,000-a-week business of selling fake Gucci bags".
Document 7: List of Pawn Stars episodes: "Pawn Stars" is an American reality television series that premiered on History on July 19, 2009. The series is filmed in Las Vegas, Nevada, where it chronicles the activities at the World Famous Gold & Silver Pawn Shop, a 24-hour family business operated by patriarch Richard "Old Man" Harrison, his son Rick Harrison, Rick's son Corey "Big Hoss" Harrison, and Corey's childhood friend, Austin "Chumlee" Russell.
Document 8: Pawn Stars UK: Pawn Stars UK is a British reality television series which debuted on 26 August 2013 on the British version of the History channel. The series is filmed in Sealand, Flintshire in Wales, and chronicles the day-to-day activities of pawn shop Regal Pawn, collaboratively run by Mark Andrew Manning, Mark Lever Holland, Marco Peter Holland, Simon Penworth, and Vicki Manning.
Document 9: Television Writers Vault: The Television Writers Vault is an online marketplace within the television industry used for scouting and selling original TV formats, concepts, and intellectual properties to produce as new television shows. It is the first website to deliver new show ideas from people outside of the industry, resulting in successful productions by major networks. 2012 saw the global broadcast of two reality television concepts discovered from the site; "Saw Dogs" (aired on Discovery Channel, TV4 Sweden, and OLN) and "Deals From The Darkside" (aired on SyFy, A&E Australia, OLN, UKTV). 2014 saw the premiere of "Kim of Queens" on Lifetime TV, whose star, Kim Gravel, was discovered pitching her own concepts at the TV Writers Vault.
Document 10: Chumlee: Austin Lee Russell (born September 8, 1982), better known by his stage name of Chumlee, is an American actor, businessman and reality television personality, known as a cast member on the History Channel television show "Pawn Stars", which depicts the daily business at the Gold and Silver Pawn Shop in Las Vegas where Russell works as an employee. Chumlee came to work at the pawn shop five years before filming of the first season, having been a childhood friend of Corey Harrison, whose father, Rick Harrison, and grandfather, Richard Benjamin Harrison, opened the shop in 1989.
Document 11: Hardcore Pawn: Chicago: Hardcore Pawn: Chicago is an American reality television series on truTV. A spin-off of "Hardcore Pawn", the series follows the day-to-day operations of the Royal Pawn Shop located in Chicago, Illinois, at 428 S. Clark Street across from the Metropolitan Correctional Center near Chicago's Financial District.
Document 12: Counting Cars: Counting Cars is an American reality television series, shown on History, and produced by Leftfield Pictures. The series, which is the third spinoff of "Pawn Stars", is filmed in Las Vegas, Nevada, where it chronicles the daily activities at Count's Kustoms, an automobile restoration and customization company owned and operated by Danny Koker, who previously appeared as a recurring expert on "Pawn Stars". In a format similar to another "Pawn Stars" spinoff, "American Restoration", the series follows Koker and his staff as they restore and modify classic automobiles and motorcycles. "Counting Cars" debuted on August 13, 2012.
Document 13: Game of Pawns (television series): Game of Pawns is a television game show based in Branson, Missouri about the goings on in a local pawn shop. The show stars; Justin Tranchita , Scott Velvet and Brian Roman. The plot of the show is a mix of a game show and reality television series as Scott and Brian buy unusual items at Branson Pawn using a trivia game to give patrons the chance to win more for their item all while Justin gets into trouble and goofs off making the days at Branson Pawn move along with a little more excitement. Dealing in everything from celebrity cars to antique guns, they never know just what – or who – will walk through the door next. At Branson Pawn, every day’s a gamble. Scott and Brian give each customer three questions. If they get two of the three right, the customer gets their price. If not, the house wins and Brian and Scott get their price. This show runs on the Discovery Channel globally as re-runs and had its debut in 2013 with eight original episodes.
Document 14: Auction Kings: Auction Kings is a reality television series produced by Authentic Entertainment for the Discovery Channel. The series premiered on October 26, 2010 and featured the now defunct auction house Gallery 63 in Sandy Springs, Georgia, located on Roswell Road immediately north of the Atlanta city limit. The series capitalized on the success of the History Channel's widely successful "Pawn Stars". The auction house employees often rely on experts to appraise items of which historical background is provided to the viewer. Sellers offer comments regarding the merchandise at hand both before and after the auction. At the second commercial break, a multiple-choice question about the auction house or the items is presented.
Document 15: Desert Car Kings: Desert Car Kings is a reality television series that debuted on the Discovery Channel on January 26, 2011. It is based on the McClure family, who run Desert Valley Auto Parts in Phoenix, Arizona. The show's main characters, Jason and his father Ron, restore classic cars on a limited time-frame; restorations are usually given until their next auction. The operation houses more than 10,000 rust-free vehicles on more than 100 acres of dry Arizona land. Restorations have included a 1965 Ford Thunderbird, a 1970 Oldsmobile 442, a 1962 Ford Galaxie, a 1964 Plymouth Barracuda, a 1955 Ford F-100, and a 1966 Chevrolet Chevelle SS. With average ratings, critics vary in their opinion on the show. Some praise it, others calling it superficial. With its time slot competing with cable television's highest-rated reality show at the time (A&E's, Storage Wars), the show had several factors working against it. Despite the final episode airing over a year earlier, according to a May 6, 2012 Discovery Channel Facebook posting, the show had not been canceled. Finally, an announcement came from Discovery Channel that a second season of Desert Valley Car Kings was not picked up due to production costs. Since its cancellation, it has begun airing reruns on the Velocity cable television network. As of July 2015 it is also airing in the UK on the Quest station (Recorded in 2011 - Some confusion, UK viewers think it is more recent).
ground_truth: Pawn Stars