Question: Hot Springs Airport is located two nautical miles east of the central business district of a town that was founded in 1910, and incorporated when?

Context paragraphs:
DeFuniak Springs Airport: DeFuniak Springs Airport (FAA LID: 54J) is a public-use airport located two nautical miles (3.7 km) west of the central business district of the city of DeFuniak Springs in Walton County, Florida, United States.  The airport is publicly owned and operated by the City of DeFuniak Springs and serves the general aviation transportation needs of the City and Walton County.  In addition to private and recreational flying, the airport also supports business and corporate aviation.  The airport is situated on 343 acres of land located approximately 2.5 miles west of the City's Central Business District.

Luray Caverns Airport: Luray Caverns Airport (ICAO: KLUA) is a public use airport located two nautical miles (4 km) west of the central business district of Luray, a town in Page County, Virginia, United States.  The airport is owned by the Town of Luray and Page County.  It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" airport.

Hot Springs, Montana: Hot Springs is a town on the Flathead Indian Reservation in Sanders County, Montana, United States.  The population was 544 at the 2010 census.  Founded in 1910, it was incorporated in 1929.

Heber Springs Municipal Airport: Heber Springs Municipal Airport (ICAO: KHBZ, FAA LID: HBZ) is a public-use airport located two nautical miles (4 km) northeast of the central business district of Heber Springs, in Cleburne County, Arkansas, United States.  It is owned by the City of Heber Springs.

Plant City Airport: Plant City Airport (ICAO: KPCM, FAA LID: PCM) is a public-use airport located two nautical miles (4 km) southwest of the central business district of Plant City in Hillsborough County, Florida, United States.  The airport is publicly owned by the Hillsborough County Aviation Authority, which also operates Tampa International Airport.  It was formerly known as Plant City Municipal Airport.  It supports a 400 acre industrial park located about one mile (1.6 km) east of the airport.

Le Roy Airport: Le Roy Airport is a public use airport in Genesee County, New York, United States.  It is located two nautical miles (3.7 km) east of the central business district of the Le Roy, a village in the Town of Le Roy.  According to the FAA's National Plan of Integrated Airport Systems for 2007-2011, it is categorized as a "reliever airport".

Vivian Airport: Vivian Airport (FAA LID: 3F4) is a town-owned public-use airport located two nautical miles (3.7 km) southwest of the central business district of Vivian, a town in Caddo Parish, Louisiana, United States.  The airport is 25 miles north of Shreveport, Louisiana and it is also known as Vivian Municipal Airport.

Hot Springs Municipal Airport: Hot Springs Municipal Airport (ICAO: KHSR, FAA LID: HSR) is a city-owned public-use airport located five nautical miles (9 km) southeast of the central business district of Hot Springs, a city in Fall River County, South Dakota, United States.  According to the FAA's National Plan of Integrated Airport Systems for 2009–2013, it is categorized as a "general aviation" facility.

Hot Springs Airport: Hot Springs Airport (FAA LID: S09) is a county-owned public-use airport in Sanders County, Montana, United States.  It is located two nautical miles (4 km) east of the central business district of Hot Springs, Montana, a town on the Flathead Indian Reservation.

Sulphur Springs Municipal Airport: Sulphur Springs Municipal Airport (IATA: SLR, ICAO: KSLR, FAA LID: SLR) is a city owned, public use airport located two nautical miles (4 km) northwest of the central business district of Sulphur Springs, a city in Hopkins County, Texas, United States.  It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" facility.

Supporting paragraphs: Hot Springs Airport Hot Springs, Montana
Answer: 1929