Question: What shares a border with the birthplace of Martin Strege?

full_context: Document 1: Milcah Chemos Cheywa: Milcah Chemos Cheywa (born 24 February 1986 in Bugaa, Mount Elgon District) is a runner from Kenya who specialises in 3000 metres steeplechase. She is African record holder at the distance and is the gold medalist of the 2013 World Championships in Athletics.
Document 2: Eliseo Martín: Eliseo Martín Omenat (born 5 November 1973 in Monzón) is an Aragonese Spanish long-distance runner who specializes in 3000 metres steeplechase. His biggest success was the bronze medal at the 2003 World Championships in Paris.
Document 3: Seeberg: Seeberg is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland. The lake Burgäschisee is located on the border with Aeschi. On 1 January 2016 the former municipality of Hermiswil merged into Seeberg.
Document 4: Stellbergsee: Stellbergsee is a lake in Söhre, Landkreis Kassel and Schwalm-Eder-Kreis, Hesse, Germany. At an elevation of 356 m, its surface area is 0.014 km².
Document 5: Stefaan Engels: Stefaan Engels (born 7 April 1961, Ghent, Belgium), also known as "marathon man", is a Belgian marathoner and triathlete, the first man to run the marathon distance 365 consecutive times in a single year. He also holds the record for the most Ironman Triathlons in a year with 20 over 2007 and 2008.
Document 6: Schermützelsee: The Schermützelsee is a lake in Brandenburg, Germany. It is located in the town of Buckow in the district Märkisch-Oderland northwest of Müncheberg and east of the Berlin centre. With its surface area of 1.37 km² it is the largest water in the hill country „Märkische Schweiz“ and in the Märkische Schweiz Nature Park.
Document 7: Moses Kiptanui: Moses Kiptanui (born October 1, 1970 in Marakwet District, Kenya) is a Kenyan middle and long distance athlete mostly famous for 3,000 m steeplechase in which he was the number one ranked athlete from 1991 to 1995 and three time IAAF World Champion. Kiptanui was also the first man ever to run 3000m steeplechase in under eight minutes.
Document 8: Martin Strege: Martin Strege (born 21 February 1966 in Kassel) is a retired German runner who specialized in the 3000 metres steeplechase.
Document 9: Stellihorn: The Stellihorn is a mountain of the Swiss Pennine Alps, overlooking the lake of Mattmark in the canton of Valais. It lies south of Saas-Almagell in the upper valley of Saas. The north side is covered by a glacier named "Nollen Gletscher".
Document 10: Sweden: At 449,964 km2 (173,732 sq mi), Sweden is the 55th-largest country in the world, the 4th-largest country entirely in Europe, and the largest in Northern Europe. The lowest elevation in Sweden is in the bay of Lake Hammarsjön, near Kristianstad, at −2.41 m (−7.91 ft) below sea level. The highest point is Kebnekaise at 2,111 m (6,926 ft) above sea level.
Document 11: Ställdalen: Ställdalen is a locality situated in Ljusnarsberg Municipality, Örebro County, Sweden with 539 inhabitants in 2010. In January 1956 there was a rail accident there.
Document 12: Alatsee: Alatsee is a meromictic lake in Ostallgäu, Bavaria, Germany. At an elevation of 868.0 m, its surface area is 12.00 ha. This lake supposedly holds "Hitler's gold". Many divers have died or disappeared mysteriously in this lake due to the toxicity of the organisms living in this lake. These organisms create the "blood cloud " that occurs quite abundantly throughout the year.
Document 13: Peter Koech: Peter Koech (born February 18, 1958) is a former long-distance runner from Kenya who won a silver medal in the 3,000 meters steeplechase event at the 1988 Summer Olympics. He held the world record in this event for over three years, running 8:05.35 in 1989. It was the first electronically timed world record for the event and is still in the top 25 performers in history.
Document 14: Hesselberg: Hesselberg (689 m above sea level) is the highest point in Middle Franconia and the Franconian Jura and is situated 60 km south west of Nuremberg, Germany. The mountain stands isolated and far from the center of the Franconian Jura, in its southwestern border region, 4 km to the north west of Wassertrüdingen. The mountain's first recorded name was "Öselberg", which probably derived from "öder Berg" (bleak mountain). This name later changed to "Eselsberg" and finally to the current name "Hesselberg". As a butte the mountain provides an insight into Jurassic geology. It has also witnessed an eventful history, many incidents were handed down from generation to generation and these mixed with facts have become legends. Nowadays many people visit Hesselberg in order to enjoy nature and the wonderful vista. When the weather is clear the Alps 150 km away can be seen.
Document 15: Steffen Stranz: Steffen Stranz (born 16 May 1960 in Kassel, Hessen) is a retired male judoka from Germany, who twice competed for West Germany at the Summer Olympics: 1984 and 1988.
ground_truth: Schwalm-Eder-Kreis
sub_queries: Martin Strege >> place of birth Answer: Kassel
Kassel >> shares border with Answer: Schwalm-Eder-Kreis