Question: The Kooskia National Fish Hatchery raises and releases the Oncorhynchus tshawytscha, which his the scientific species name of what fish?

Context paragraphs:
Saratoga National Fish Hatchery: Saratoga National Fish Hatchery is part of the National Fish Hatchery System operated by the United States Fish and Wildlife Service.  It is located northeast of Saratoga, Wyoming and, along with the Jackson National Fish Hatchery, is one of two National fish hatcheries operating in Wyoming.  Saratoga NHF is primarily a broodstock hatchery; it maintains several healthy adults to produce sperm and eggs and distributes fertilized eggs to production hatcheries throughout the country to be hatched and grown to stockable sizes.  It is also one of several organizations to establish a program for breeding Wyoming toads.

Chinook salmon: The Chinook salmon ("Oncorhynchus tshawytscha") is the largest species in the Pacific salmon genus "Oncorhynchus".  The common name refers to the Chinookan peoples.  Other vernacular names for the species include king salmon, Quinnat salmon, spring salmon, and Tyee salmon.  The scientific species name is based on the Russian common name "chavycha" (чавыча).

Jackson National Fish Hatchery: Jackson National Fish Hatchery is a National fish hatchery in Jackson, Wyoming.  The hatchery is run by the U.S. Fish and Wildlife Service.  The hatchery is physically located on the National Elk Refuge, a protected feeding ground for elk that winter in the Jackson Hole valley.  The fish hatchery produces fish for a 18000 sqmi distribution area in Wyoming and Idaho.

Bozeman National Fish Hatchery: The Bozeman National Fish Hatchery, now known as Bozeman Fish Technology Center, is located about 4 mi northeast of Bozeman, Montana, at the entrance to Bridger Canyon.  There is also a National Fish Health Center on the southwest side of Bozeman, near Montana State University, about 7 mi away from the Fish Technology Center.  Fish Technology Centers work with a wide variety of public and private partners to improve and conserve aquatic resources.  Both the Fish Technology Center and the Fish Health Center are part of the National Fish Hatchery System, operated by the United States Fish and Wildlife Service.  There are seven Fish Technology Centers and nine Fish Health Centers in the United States.  The Bozeman hatchery is the fourth oldest National Fish Hatchery.  The hatchery was named to the National Register of Historic Places on January 6, 1983.

Kooskia National Fish Hatchery: Kooskia National Fish Hatchery is a "mitigation" hatchery located on the Clearwater River within the Nez Perce Indian Reservation near Kooskia, in north-central Idaho.  Construction began in 1966 by the Army Corps of Engineers.  With funding provided by the United States per a water rights settlement the hatchery is managed and operated by the Nez Perce Tribe.  The production goal is to raise and release up to 600,000 juvenile spring Chinook salmon annually.

Mount Massive Wilderness: The Mount Massive Wilderness is a federally designated wilderness area in the Sawatch Range, located in the U.S. state of Colorado.  It is operated jointly by the United States Forest Service and the Fish and Wildlife Service as part of the San Isabel National Forest and the Leadville National Fish Hatchery.  It is 30540 acre in size, with 27980 acre in San Isabel National Forest and 2560 acre in Leadville National Fish Hatchery, and it was designated by the US Congress in 1980.  The name comes from Mount Massive, the second highest peak in Colorado, located inside the wilderness.  Elevations in the wilderness range from 9700 ft to 14421 ft .  It is the only federally designated wilderness area within the National Fish Hatchery System.

White River National Fish Hatchery: The White River National Fish Hatchery is a U.S. Fish and Wildlife Service coldwater fish production facility located near Bethel, Vermont.  Hatchery staff works to support both the Connecticut River Atlantic Salmon Restoration Program (since 1978) and the Lower Great Lakes Lake Trout Restoration Program.  The Whire River National Fish Hatchery is one of four offices in the Western New England Complex.

D.C. Booth Historic National Fish Hatchery: The D.C. Booth Historic National Fish Hatchery and Archives, also known as the Spearfish Fisheries Center or Spearfish Fisheries Complex and formerly known as the Spearfish National Fish Hatchery, is one of 70 fish hatcheries that were opened by the U.S. Fish and Wildlife Service as part of the National Fish Hatchery System.  The hatchery was established near Spearfish, South Dakota in 1896, with the purpose of introducing and establishing populations of trout in the Black Hills of South Dakota and Wyoming.  It is one of the oldest fish hatcheries in the United States and is the second-oldest in the American West.  The hatchery spawns and releases about 20,000 to 30,000 rainbow trout each year.  The hatchery doubles as a fisheries archive with the purpose of preserving records and early historical artifacts.  It is listed on the National Register of Historic Places.

Wolf Creek National Fish Hatchery: Wolf Creek National Fish Hatchery is a National Fish Hatchery located just below Wolf Creek Dam in Russell County, Kentucky.  The hatchery is a federal hatchery and is a part of the U.S. Fish and Wildlife Service.

Mora National Fish Hatchery and Technology Center: The Mora National Fish Hatchery and Technology Center is one of seven federal fish hatchery technology centers in the United States.  Located in Mora County, New Mexico, on State Route 434 (milepost 1.5), it is mainly involved in the restoration and recovery of the threatened Gila trout, a fish found only in the upper headwaters of the Gila River in New Mexico and Arizona.  .  Formal cooperative agreements between the U.S. Fish and Wildlife Service and New Mexico Game and Fish call for the Mora hatchery to also establish a brood stock of Rio Grande cutthroat trout and provide fish culture training to other biologists.  The Mora hatchery also works to conserve the bonytail chub.  The hatchery accepts a limited number of volunteers to assist in conservation activities.

Supporting paragraphs: Kooskia National Fish Hatchery Chinook salmon
Answer: Chinook salmon