Question: Pleasant Valley State Prison has housed convicted murderers, including what man who foundd Namesys in 2004?

full_context: Document 1: Justin Frankel: Justin Frankel (born 1978) is an American computer programmer best known for his work on the Winamp media player application and for inventing the gnutella peer-to-peer network. Frankel is also the founder of Cockos Incorporated, which creates music production and development software such as the REAPER digital audio workstation, the NINJAM collaborative music tool and the Jesusonic expandable effects processor. In 2002, he was named in the MIT Technology Review TR100 as one of the top 100 innovators in the world under the age of 35.
Document 2: Kevin Cooper (prisoner): Kevin Cooper (born 1958) is a death row inmate currently held in California's San Quentin Prison. Cooper was convicted of four murders that occurred in the Chino Hills area of California in 1983. Since his arrest, Cooper, who is African American, has become active in writing letters from prison asserting his innocence, protesting racism in the American criminal justice system, and opposing the death penalty.
Document 3: Paul Reiser: Paul Reiser (born March 30, 1957) is an American comedian, actor, television personality and writer, author and musician. He is best known for his role in the 1990s TV sitcom "Mad About You". He is ranked 77th on Comedy Central's 2004 list of the "100 Greatest Stand-ups of All Time". The name of Reiser's production company, Nuance Productions, is inspired by one of his lines in the film "Diner" (1982), in which his character explains his discomfort with the word "nuance".
Document 4: Hans Reiser: Hans Thomas Reiser (born December 19, 1963) is an American convicted murderer, computer programmer, and entrepreneur. He is the creator of the ReiserFS computer file system, which is contained within the Linux kernel, as well as its attempted successor, Reiser4. In 2004, he founded Namesys, a corporation meant to coordinate the development of both file systems.
Document 5: Plymouth County Correctional Facility: Plymouth County Correctional Facility is a maximum-security prison located in Plymouth, Massachusetts Operated by the Plymouth County Sheriff's Department. The prison is the largest prison in Plymouth, and is much larger than the Massachusetts Correctional Institution - Plymouth, located in the Myles Standish State Forest. The prison is known for housing several celebrity inmates, most notably "" winner Richard Hatch, shoe-bomber Richard Reid, former President of Liberia Charles Taylor, reputed Boston mob boss James "Whitey" Bulger, as well as multiple murderer Gary Sampson, and former New England crime boss Francis "Cadillac Frank" Salemme.
Document 6: California State Prison, Los Angeles County: California State Prison, Los Angeles County (LAC) is a male-only state prison located in the city of Lancaster, in Los Angeles County, California. The only state prison located in the county, it is also referenced as Los Angeles County State Prison, CSP-Los Angeles County. Only occasionally is the prison referred to as Lancaster State Prison, which was particularly avoided in 1992 partly to ease the stigma for Lancaster.
Document 7: Linus Torvalds: Linus Benedict Torvalds ( ; ] ; born December 28, 1969) is a Finnish-American software engineer who is the creator, and for a long time, principal developer of the Linux kernel, which became the kernel for operating systems such as the Linux operating system, Android, and Chrome OS. He also created the distributed revision control system Git and the diving logging and planning software Subsurface. He was honored, along with Shinya Yamanaka, with the 2012 Millennium Technology Prize by the Technology Academy Finland "in recognition of his creation of a new open source operating system for computers leading to the widely used Linux kernel". He is also the recipient of the 2014 IEEE Computer Society Computer Pioneer Award.
Document 8: Pleasant Valley State Prison: Pleasant Valley State Prison (PVSP) is a 640 acres minimum-to-maximum security state prison in Coalinga, Fresno County, California. The facility has housed convicted murderers Sirhan Sirhan, Erik Menendez, X-Raided, and Hans Reiser, among others.
Document 9: North Kern State Prison: North Kern State Prison (NKSP) is a medium-security prison located in Delano, Kern County, California. Opened in April 1993, this state prison houses over 5,000 inmates. North Kern serves as a reception center for incoming inmates. Inmates usually serve two to three months at North Kern while staff processes their criminal and health records and assesses their physiological and social needs before assigning them to another prison. While at North Kern, inmates can engage in educational programs. With North Kern State Prison and Kern Valley State Prison, which is located one mile away and houses close to 4,800 inmates, Kern County has one of the largest prison populations of any county in America.
Document 10: Tamás Kreiner: Tamás Kreiner entered the world of music when he established his company, Amnesty Design in 1991. He soon began work on several successful solo musical projects, including the soundtrack for the game "Reunion", which was the basis of his reputation. After many years, Amnesty Design evolved to Digital Reality, where Kreiner has composed scores for "Imperium Galactica" and the great hit sequel, "". During these years Kreiner pioneered the use of combining old and new musical technologies and expanded his experience in both composing and sound designing, which later has granted him great reputation in the industry. In 2000, he received the British Academy of Film and Television Arts Award (Best Original Game Music) for his work on "Imperium Galactica II".
Document 11: Robert Hanssen: Robert Philip Hanssen (born April 18, 1944) is a former Federal Bureau of Investigation (FBI) agent who spied for Soviet and Russian intelligence services against the United States for 22 years from 1979 to 2001. He is currently serving 15 consecutive life sentences at ADX Florence, a federal supermax prison near Florence, Colorado.
Document 12: California State Prison, Sacramento: California State Prison, Sacramento (SAC) is a male-only state prison located in the city of Folsom, in Sacramento County, California. The facility is also referenced as Sacramento State Prison, CSP-Sacramento, CSP-SAC, and occasionally, New Folsom or New Folsom Prison which was its official name prior to October 1992.
Document 13: Dennis Ritchie: Dennis MacAlistair Ritchie (September 9, 1941 – October 12, 2011) was an American computer scientist. He created the C programming language and, with long-time colleague Ken Thompson, the Unix operating system. Ritchie and Thompson were awarded the Turing Award from the ACM in 1983, the Hamming Medal from the IEEE in 1990 and the National Medal of Technology from President Bill Clinton in 1999. Ritchie was the head of Lucent Technologies System Software Research Department when he retired in 2007. He was the "R" in K&R C, and commonly known by his username dmr.
Document 14: Alain Rossmann: Alain Simon Rossmann (born 1956) is a serial entrepreneur who was a member of the early Apple Macintosh team and who went on to found or co-found nine startups, of which three went public (Radius, C-Cube Microsystems, Unwired Planet), three were acquired (EO by AT&T, Vudu by Walmart, PSS Systems by IBM), and two were dissolved (Zonbu, Klip). The ninth is his current company, Machinify.
Document 15: Mississippi State Penitentiary: Mississippi State Penitentiary (MSP), also known as Parchman Farm, is a prison farm, the oldest prison, and the only maximum security prison for men in the state of Mississippi.
ground_truth: Hans Thomas Reiser