Question: Martin Holtzhey died in a city in the southwest of what country?

Context paragraphs:
Southwest Airlines Flight 1763: Southwest Airlines flight 1763 was a scheduled passenger flight, operated by Southwest Airlines, from McCarran International Airport, in Paradise, Nevada, to Salt Lake City International Airport, in Salt Lake City, Utah.  On August 11, 2000, Jonathan Burton, a Las Vegas resident, stormed the cockpit door of the Boeing 737 operating the flight, in an apparent case of air rage.  The 19-year-old was subdued by six to eight other passengers with such force that he died of asphyxiation.  The death was initially believed to have been a heart attack.

Frank Martin (mayor): Frank Kieffer Martin (November 4, 1938 – August 12, 2012) was an American defense attorney and a former mayor of Columbus, Georgia.  Martin was born in Columbus in 1938.  He was elected 64th mayor of that city in 1990, succeeding James Jernigan.  During Martin's tenure as mayor, he championed a new 1-percent sales tax that went on to fund a new civic center, public safety building, and recreational facilities.  Under Martin's leadership Columbus also won a bid to host the 1996 Olympic softball competition.  Martin served as mayor of Columbus from 1991 to 1994.  He died from complications of pancreatic cancer in 2012 at the age of 73.

Kyrgyzstan: Kyrgyzstan (Kyrgyz: Кыргызстан , "Qırğızstan", قىرعىزستان, (] ); Russian: Киргизия , "Kirgizija"), officially the Kyrgyz Republic (Kyrgyz: Кыргыз Республикасы , "Qırğız Respublikası", قىرعىز رەسپۇبلىکاسى; Russian: Кыргызская Республика "Kyrgyzskaja Respublika"), formerly known as Kirghizia or Kirgizia, is a country in Central Asia.  Kyrgyzstan is a landlocked country with mountainous terrain.  It is bordered by Kazakhstan to the north, Uzbekistan to the west and southwest, Tajikistan to the southwest and China to the east.  Its capital and largest city is Bishkek.

Martin and Lewis: Martin and Lewis were an American comedy duo, comprising singer Dean Martin and comedian Jerry Lewis.  They met in 1945 and debuted at Atlantic City's 500 Club on July 25, 1946; the team lasted ten years to the day.  Dean Martin is the stage name of Dino Paul Crocetti, born June 7, 1917, in Steubenville, Ohio, while Jerry Lewis is the stage name of Joseph Levitch, born March 16, 1926, in Newark, New Jersey.  Martin died on December 25, 1995 and then Lewis died on August 20, 2017.

Vietnam: Vietnam ( , ; Vietnamese: "Việt Nam" ] ), officially the Socialist Republic of Vietnam (Vietnamese: "Cộng hòa xã hội chủ nghĩa Việt Nam" ), is the easternmost country on the Indochina Peninsula in Southeast Asia.  With an estimated /1e6 round 1 million inhabitants as of , it is the world's 14th-most-populous country, and the ninth-most-populous Asian country.  Vietnam is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, Thailand across the Gulf of Thailand to the southwest, and the Philippines, Malaysia and Indonesia across the South China Sea to the east and southeast.  Its capital city has been Hanoi since the reunification of North and South Vietnam in 1976, with Ho Chi Minh City as a historical city as well.

Martin Luther's Death House: Martin Luther's Death House (German: "Martin Luthers Sterbehaus" ) is the historic building in Eisleben, Germany, where it was incorrectly thought that Martin Luther died on 18 February 1546.  Since then it has become a museum and a UNESCO world heritage site.  The city of Eisleben, located in Saxony-Anhalt, is also where Martin Luther was born and baptised; his birth house is also a UNESCO world heritage site and museum.

Developments in Abilene, Texas: Within the last few years , Abilene, Texas, has steadily become the retail, residential, business, medical, and overall center of the surrounding Big Country.  Commercial development was especially boosted in 2007, with several multimillion dollar projects throughout the entire city.  Most of the recent development is concentrated in roughly four areas in Abilene: Southwest Drive, Catclaw Drive, and Buffalo Gap Road near the Winters Freeway to the southwest, as this area becomes a strong commercial sector as well as a good residential district; Buffalo Gap Road, Beltway South, and US Highway 83/84 near and beyond the outskirts of the city in the south with several housing developments; Loop 322 area and Oldham Ln to the southeast, also near and past the edge of the city with a mix of several residential subdivisions as well as the start of commercial growth; and State Highway 351/Ambler Avenue near Interstate 20 to the northeast, also a combination of staple retail development, similar to the southwest commercial development, and the beginnings of residential growth with a new apartment complex and growing subdivisions.  All this growth has contributed to the suburbanization of the city; however, as Abilene is not a large city itself, this is also helped the urbanization of the city as a whole.  More people in the city leads to more workers and commuters in a city that has a short commute time throughout the city.

Martin Holtzhey: Martin Holtzhey (1697, Ulm – 1764, Middelburg), was an 18th-century German medallist and mint master, active in the Netherlands.

Cali: Santiago de Cali (] ), usually known by its short name "Cali", is the capital of the Valle del Cauca department, and the most populous city in southwest Colombia, with an estimated 2,319,655 residents according to 2005-2020/DANE population projections.  The city spans 560.3 km2 with 120.9 km2 of urban area, making Cali the third-largest city proper and metropolitan area in population and the second-largest city by area in the country.  As the only major Colombian city with access to the Pacific Coast, Cali is the main urban and economic centre in southwest Colombia, and has one of the fastest-growing economies in the country.  The city was founded on 25 July 1536 by the Spanish conquistador Sebastián de Belalcázar.

Middelburg: Middelburg (] ) is a municipality and a city in the south-western Netherlands and the capital of the province of Zeeland.  Situated on the central peninsula of the Zeeland province, "Midden-Zeeland" (consisting of former islands Walcheren, Noord-Beveland and Zuid-Beveland), it has a population of about 48,000.

Supporting paragraphs: Martin Holtzhey Middelburg
Answer: Netherlands