paragraph_text: Osmund Holm-Hansen (also known as Oz Holm-Hansen) is a Norwegian-born American scientist, for whom Mount Holm-Hansen, in Antarctica is named. A plant physiologist by training, from 1962 Holm-Hansen was the head of polar research at the Scripps Institution of Oceanography.

paragraph_text: The Hotel Galvez is a historic hotel located in Galveston, Texas, United States that opened in 1911. The building was named the Galvez, honoring Bernardo de Gálvez, 1st Viscount of Galveston, for whom the city was named. The building was added to the National Register of Historic Places on April 4, 1979.

paragraph_text: Ukum is a Local Government Area of Benue State, Nigeria. It has an area of and a population of 216,930 at the 2006 census.

paragraph_text: JCB was founded in 1945 by Joseph Cyril Bamford, after whom it is named; it continues to be owned by the Bamford family. In the UK and India, 'JCB' is often used colloquially as a generic description for mechanical diggers and excavators and now appears in the Oxford English Dictionary, although it is still held as a trademark.

paragraph_text: ``Drinkin 'Problem ''is the debut single of the American country music band Midland. It was released on July 27 2017, as the first single from their debut album On the Rocks. The band members wrote the song with Josh Osborne and Shane McAnally, the latter of whom also produced it.

paragraph_text: Lake Pontchartrain is named for Louis Phélypeaux, comte de Pontchartrain. He was the French Minister of the Marine, Chancellor, and Controller-General of Finances during the reign of France's "Sun King", Louis XIV, for whom the colony of "La Louisiane" was named.

paragraph_text: Camp Connor was a Union Army outpost established May 23, 1863 by Captain David Black, 3rd Regiment California Volunteer Infantry, by order of Brigadier General Patrick Edward Connor commander of the District of Utah, Department of the Pacific for whom the post was named.

paragraph_text: The name "" was taken from the Niger River running through the country. This name was coined in the late 19th century by British journalist Flora Shaw, who later married Lord Lugard, a British colonial administrator. The origin of the name "Niger", which originally applied only to the middle reaches of the Niger River, is uncertain. The word is likely an alteration of the Tuareg name "egerew n-igerewen" used by inhabitants along the middle reaches of the river around Timbuktu prior to 19th-century European colonialism.

paragraph_text: The quick German victory over the French stunned neutral observers, many of whom had expected a French victory and most of whom had expected a long war. The strategic advantages possessed by the Germans were not appreciated outside Germany until after hostilities had ceased. Other countries quickly discerned the advantages given to the Germans by their military system, and adopted many of their innovations, particularly the General Staff, universal conscription and highly detailed mobilization systems.

paragraph_text: ISO 3166-1 is part of the ISO 3166 standard published by the International Organization for Standardization (ISO), and defines codes for the names of countries, dependent territories, and special areas of geographical interest. The official name of the standard is "Codes for the representation of names of countries and their subdivisions – Part 1: Country codes". It defines three sets of country codes:

paragraph_text: 653 Berenike is a main-belt asteroid discovered on November 27, 1907, by Joel Hastings Metcalf at Taunton, Massachusetts. It is named after Berenice II of Egypt, after whom the constellation Coma Berenices is also named.

paragraph_text: The Alma Grace McDonough Health and Recreation Center is a 2,200 seat multipurpose arena and recreation facility on the campus of Wheeling Jesuit University in Wheeling, West Virginia. The building was constructed thanks to a gift from Alma Grace McDonough, whom the building is named after.

paragraph_text: Frank Burr Mallory (1862–1941) was an American pathologist at the Boston City Hospital and Professor of Pathology at Harvard Medical School, after whom the Mallory body is named.

paragraph_text: John Francis Sheehan (1910–1942) was a United States Navy sailor killed in action during World War II for whom a destroyer escort was named during the war.

paragraph_text: , better known by her pen name is a Japanese manga artist. She is married to fellow manga artist Tatsuneko, from whom he took the name of . She is a graduate of Mita Senior High School, Tokyo. She currently lives in Setagaya, Tokyo with her husband and daughter.

paragraph_text: Milton F. Pavlic (1909–1942) was a United States Navy officer killed in action during World War II for whom a U.S. Navy high-speed transport was named.

paragraph_text: The ceiling is that of the Sistine Chapel, the large papal chapel built within the Vatican between 1477 and 1480 by Pope Sixtus IV, for whom the chapel is named. It was painted at the commission of Pope Julius II. The chapel is the location for papal conclaves and many other important services.

paragraph_text: William M. Hobby (1899–1942), was a United States Navy officer killed in action during World War II for whom a U.S. Navy ship was named.

paragraph_text: ISO 3166 is a standard published by the International Organization for Standardization (ISO) that defines codes for the names of countries, dependent territories, special areas of geographical interest, and their principal subdivisions (e.g., provinces or states). The official name of the standard is Codes for the representation of names of countries and their subdivisions.

paragraph_text: Émile Bertrand (1844–1909) was a French mineralogist, in honour of whom bertrandite was named by Alexis Damour. He also gave his name to the "Bertrand lens" or phase telescope.

Question: The country which contains Ukum got its name from what?
Answer: Niger River