Question: Which television show staring James Arness took place in Dodge City, Kansas?

Context paragraphs:
It's Always Jan: It's Always Jan is an American situation comedy starring Janis Paige, which aired on CBS in the 1955-1956 season.  It was the lead-in program at 9:30 p.m. Eastern on Saturday evenings to the first season of the long-running western, "Gunsmoke," starring James Arness.

Dodge City (film): Dodge City is a 1939 American Western film directed by Michael Curtiz and starring Errol Flynn, Olivia de Havilland, and Ann Sheridan.  Based on a story by Robert Buckner, the film is about a Texas cattle agent who witnesses the brutal lawlessness of Dodge City, Kansas and takes the job of sheriff to clean the town up.  Filmed in early Technicolor, "Dodge City" was one of the highest-grossing films of the year.  This was the 7th of 11 movies that de Havilland and Flynn appeared in together.

United Wireless Arena: The United Wireless Arena is a multi-purpose venue in Dodge City, Kansas built in 2011.  There is a conference center attached to the arena and there is a hallway that connects this to Boothill Casino.  The arena is owned by Dodge City and by Ford County.  United Wireless Arena and conference center is managed by Venuworks (venuworks.com).  It was originally known as the Dodge City Special Events Center before United Wireless purchased the naming rights to the facility.  The conference center is one large space that can be subdivided into three separate areas.  The arena has a seating capacity of 5,500 spectators.

Gunsmoke: Gunsmoke is an American radio and television Western drama series created by director Norman Macdonnell and writer John Meston.  The stories take place in and around Dodge City, Kansas, during the settlement of the American West.  The central character is lawman Marshal Matt Dillon, played by William Conrad on radio and James Arness on television.  When aired in the UK, the television series was initially titled Gun Law, later reverting to "Gunsmoke".

Dodge City Conquistadors: The Dodge City Conquistadors are the sports teams of Dodge City Community College located in Dodge City, Kansas, United States.  They participate in the National Junior College Athletic Association (NJCAA) and in the Kansas Jayhawk Community College Conference.

Dodge City Civic Center: The Dodge City Civic Center is a 2,500-seat multi-purpose arena in Dodge City, Kansas.  It was home to the Dodge City Legend basketball team.  The arena has all spectator seating on one side as a stage for community theatre is located on the other side.  When Dodge City High School played home basketball games there, the student section was situated on the stage.

Dodge City Public Schools: Dodge City Public Schools is a unified school district (USD 443) headquartered in Dodge City, Kansas, United States.  The district includes the communities of Dodge City, Fort Dodge, Wright, and nearby rural areas.

Dodge City High School: Dodge City High School is a fully accredited high school located in the northwest area of Dodge City, Kansas, United States, serving students in grades 9-12.  The school is operated by Dodge City Public Schools.  The current principal is Jacque Feist.  Dodge City High School is the only high school located within the city limits of Dodge City.

Charlie Bassett: Charles E. "Charlie" Bassett (October 30, 1847 – January 5, 1896) was a lawman and saloon owner in the American Old West in Dodge City.  He was one of the founders of the Long Branch Saloon in Dodge City, served as the first sheriff of Ford County, Kansas, as well as city marshal of Dodge City.  His deputies included Wyatt Earp and Bat Masterson.

Glen Mitchell House: The Glen Mitchell House, also known as Mitchell House, was a unique design in Dodge City at the time it was built, as it was modeled using Asian influences which were considerably different from the surrounding conventionally styled homes.  The home in the Organic Architecture style was designed by architect Bruce Goff when Goff was practicing architecture in Kansas from 1964-1968 and built by Don Stein and Leo Jantz both of Dodge City, Kansas, United States.  The house located at 1905 Burr Parkway, Dodge City, Kansas was designed in 1968 for Dr. Glen Mitchell, a practicing dentist and accomplished musician, and with the use of colors, textures and natural materials and landscaping the architect achieved a home that was in "harmony with its landscape".

Supporting paragraphs: It's Always Jan Gunsmoke
Answer: Gunsmoke