Question: What mountain was first climbed in 1976 by a Japanese expedition, Kirat Chuli or Singhi Kangri?

Context paragraphs:
Mount Hayton: Mount Hayton ( ) is a peak, 2,240 m high, in the southern portion of the East Quartzite Range in Victoria Land, Antarctica.  The topographical feature was so named by the New Zealand Federated Mountain Clubs Antarctic Expedition (NZFMCAE), 1962–63, for J.S. Hayton, a field assistant in the party.  The peak was first climbed on December 18, 1962 by NZFMCAE party members.  The mountain lies situated on the Pennell Coast, a portion of Antarctica lying between Cape Williams and Cape Adare.

List of names on Mount Kenya: Mount Kenya (5199 m ) is the second highest mountain in Africa and the highest mountain in Kenya, after which the country is named.  It lies just south of the equator and currently has eleven small glaciers.  Various expeditions reached it in the following years.  It was first climbed in 1899 by Halford Mackinder.  The mountain became a national park in 1949, played a key role in the Mau Mau events in the 1950s, and became a UNESCO World Heritage Site in 1997.  It is climbed and walked up by up to 15,000 tourists every year.

Tirich Mir: Tirich Mir (Khowar/Urdu: ‎ ) (alternatively Terich Mir, Terichmir and Turch Mir) is the highest mountain of the Hindu Kush range, and the highest mountain in the world outside of the Himalayas-Karakoram range, located in Chitral District of Pakistan.  The mountain was first climbed in 1950 by a Norwegian expedition consisting of Arne Næss, P. Kvernberg, H. Berg, and Tony Streather.  Tirich Mir overlooks Chitral town, and can be easily seen from the main bazaar.

Singhi Kangri: Singhi Kangri is a 7202 m peak in the Karakoram range.  It is located on the border between China and the Siachen Glacier region (controlled by India, claimed by Pakistan.)  The mountain was first climbed in 1976 by a Japanese expedition.

Manaslu: Manaslu (Nepali: मनास्लु, also known as Kutang) is the eighth highest mountain in the world at 8163 m above sea level.  It is located in the Mansiri Himal, part of the Nepalese Himalayas, in the west-central part of Nepal.  Its name, which means "mountain of the spirit", comes from the Sanskrit word "manasa", meaning "intellect" or "soul".  Manaslu was first climbed on May 9, 1956 by Toshio Imanishi and Gyalzen Norbu, members of a Japanese expedition.  It is said that "just as the British consider Everest their mountain, Manaslu has always been a Japanese mountain".

Gasherbrum II: Gasherbrum II (Urdu: ‎ ); surveyed as K4, is the 13th highest mountain in the world at 8035 m above sea level.  It is the third-highest peak of the Gasherbrum massif, and is located in the Karakoram, on the border between Gilgit–Baltistan province, Pakistan, and Xinjiang, China.  The mountain was first climbed on July 7, 1956, by an Austrian expedition which included Fritz Moravec, Josef Larch, and Hans Willenpart.

Bojohagur Duanasir: Bojohagur or Bojohaghur Duanasir is a summit in the Batura Muztagh, a subrange of the Karakoram range in Pakistan.  It is the west summit of a short ridge whose high point is Ultar Sar, also known as Bojohaghur Duanasir II (despite being higher).  It was first climbed in 1984 by E. Kisa, M. Nagoshi, and R. Okamoto, members of a Japanese expedition led by Tsumeo Omae, which ascended from the Hasanabad Glacier via the Southwest Ridge

Baruntse: Baruntse is a mountain in the Khumbu region of eastern Nepal, crowned by four peaks and bounded on the south by the Hunku Glacier, on the east by the Barun Glacier, and on the northwest by the Imja Glacier.  The mountain was first climbed May 30, 1954 via the south ridge by Colin Todd and Geoff Harrow of a New Zealand expedition led by Sir Edmund Hillary.

Royal Arches Route: The Royal Arches Route is a technical climbing route in California's Yosemite Valley on the Royal Arches wall.  The route is recognized in the historic climbing text "Fifty Classic Climbs of North America".  The route was first climbed Oct. 1936 by Ken Adam, Morgan Harris, K. Kenneth Davis.  The route is moderate in difficulty and is frequently climbed.  The first 4 pitches are along a west facing dihedral.  At Pitch 5, the route turns north and ascends the main face along crack systems.  Pitch 10 can be free climbed at 5.10b however, most climbers use a fixed rope to pendulum to a long ledge.  At the end of Pitch 15, begins the bolted rappel route.  It is 18 rappels to the Valley floor.  Some climbers prefer to continue to "The Jungle" at the end of Pitch 16.  Beyond The Jungle is a 5.4 slab and 4th Class scrambling to the Valley Rim.  The descent is usually accomplished by traversing northeast to Washington Column and descending the exposed North Dome Gully.

Kirat Chuli: Kirat Chuli or Tent Peak is a mountain in the Himalayas.  It lies on the border between Nepal and India.

Supporting paragraphs: Kirat Chuli Singhi Kangri
Answer: Singhi Kangri