Question:  Laurence Michael Powell was one how many officers involved in the beating of Rodney King, a taxi driver who became internationally known after a tape was released of him being beaten on March 3, 1991, by Los Angeles Police Department officers?

full_context: Document 1: 1992 Los Angeles riots: The 1992 Los Angeles riots, also known as the Rodney King riots, the South Central riots, the 1992 Los Angeles civil disturbance, the 1992 Los Angeles civil unrest, and the Los Angeles uprising, were a series of riots, lootings, arsons, and civil disturbances that occurred in Los Angeles County, California in April and May 1992. The unrest began in South Central Los Angeles on April 29 after a trial jury acquitted four officers of the Los Angeles Police Department of the use of excessive force in the videotaped arrest and beating of Rodney King. It then spread throughout the Los Angeles metropolitan area as thousands of people rioted over a six-day period following the announcement of the verdict.
Document 2: Harlem riot of 1964: The Harlem riot of 1964, or Harlem riots of 1964 occurred between July 16 and 22, 1964. It began after James Powell was shot and killed by police Lieutenant Thomas Gilligan. The second bullet of three fired by Lieutenant Gilligan killed the 15-year-old African American in front of his friends and about a dozen other witnesses. Immediately after the shooting, about 300 students from a nearby school who were informed by the principal rallied. The shooting set off six consecutive nights of rioting that affected the New York City neighborhoods of Harlem and Bedford-Stuyvesant. In total, 4,000 New Yorkers participated in the riots which led to attacks on the New York City Police Department, vandalism, and looting in stores. At the end of the conflict, reports counted one dead rioter, 118 injured, and 465 arrested. It is said that the Harlem race riot of 1964 is the precipitating event for riots in July and August in cities such as Philadelphia, Pennsylvania; Rochester, New York; Chicago, Illinois; Jersey City, New Jersey; Paterson, New Jersey; and Elizabeth, New Jersey.
Document 3: Scott Powell: Scott Powell was born in Dallas, Texas, on August 13, 1948. He was a founding member of Sha Na Na, which began at Columbia University in 1969, under the name The Kingsmen. The group's name was later changed to avoid confusion with another band of the same name.
Document 4: Gregory Powell (murderer): Gregory Ulas "Greg" Powell (August 2, 1933 – August 12, 2012) was an American criminal who kidnapped Los Angeles Police Department Officers Ian Campbell and Karl Hettinger on the night of March 9, 1963. Assisted by accomplice Jimmy Lee "Youngblood" Smith, Powell took the officers to an onion field near Bakersfield, California, where Officer Campbell was fatally shot. Infamously known as the "Onion Field" Killer, Powell's story was depicted in Joseph Wambaugh's 1973 non-fiction book, "The Onion Field". The book was later made into a 1979 film adaptation of the same name in which Powell was portrayed by James Woods.
Document 5: Moses Powell: Moses Powell (1941–2005), also known as Master Musa Muhammad, was an American pioneer of martial arts in the United States. He was born in Norfolk Virginia. He held the rank of 10th degree black belt, and was famous for his one finger forward roll. Moses Powell was the first martial artist invited to perform a demonstration in front of the United Nations. One of the first African Americans to instruct the DEA, FBI, and the Secret Service in martial arts. He was also a featured demonstrator New York's World Fair in 1965. Notable for being a black martial artist (of minority ethnicity in the United States), he served as an instructor to movie star Wesley Snipes. He appeared in the documentary, the Warrior Within., along with Chuck Norris. He was also the founder of the Sanuces Ryu Jujutsu system. Additionally, he never co-signed any other systems.
Document 6: Los Angeles Police Department: The Los Angeles Police Department (LAPD), officially the City of Los Angeles Police Department, is the law enforcement agency for the city of Los Angeles, California, United States. With 9,843 officers and 2,773 civilian staff, it is the third-largest municipal police department in the United States, after the New York City Police Department and the Chicago Police Department. The department serves an area of 498 sqmi and a population of 4,030,904 people.
Document 7: Laurence Powell: Laurence Michael Powell (born August 26, 1962 in Los Angeles, California) is a former Los Angeles Police Department officer. He was one of the five officers involved in the beating of Rodney King on March 3, 1991.
Document 8: West Las Vegas riots: The West Las Vegas riots were sparked on April 29, 1992, after the Rodney King verdict, where all four white Los Angeles Police Department officers were acquitted for the beating of Rodney King in Los Angeles, California. After the Los Angeles riots were sparked, Black residents of West Las Vegas had already started to loot and burned several stores. Gun battles had started with snipers at intersections and one white motorist was pulled from his vehicle and beaten.
Document 9: Death of Colin Roach: Colin Roach was a 21-year-old black British man who died from a gunshot wound inside the entrance of Stoke Newington police station, in the London Borough of Hackney, on 12 January 1983. Amid allegations of a police cover-up, the case became a cause célèbre for civil rights campaigners and black community groups in the United Kingdom. Prior to Roach's death, Hackney Black People's Association had been calling for a public inquiry into policing in the area, alleging that there existed a culture of police brutality, wrongful detention of black people, racial harassment, and racially motivated "stopping and searching." Ernie Roberts, the MP for Hackney North and Stoke Newington, said that there had been "a complete breakdown of faith and credibility in the police" in the area and the Commission for Racial Equality called for a full inquiry into both the death of Roach and the policing in Hackney generally. In June 1983 a coroner's jury returned a majority verdict of suicide. INQUEST, the United Kingdom pressure group founded following the death of Blair Peach at the hands of a police officer in April 1979, was highly critical of the coroner's directions to the jury, and said that he had wrongly pointed them towards a verdict of suicide.
Document 10: Willie L. Williams: Willie L. Williams (October 1, 1943 – April 26, 2016) was the chief of the Los Angeles Police Department (LAPD) from 1992 to 1997, taking over after chief Daryl Gates' resignation following the 1992 Los Angeles riots. Williams was the first African-American police commissioner of both the Philadelphia Police Department and the LAPD. During his term as chief of the LAPD, he tried to create a positive image of the department and close the rift created between the police and black neighborhoods by the violent arrest of Rodney King in 1991.
Document 11: Fuhrman tapes: The Fuhrman tapes are 13 hours of taped interviews given by Los Angeles police officer Mark Fuhrman to writer Laura McKinny between 1985 and 1994. The tapes include many racist slurs and remarks made by Fuhrman, including uses of the word "nigger," descriptions of police brutality perpetrated on black suspects, misogynist slurs and descriptions of the harassment and intimidation of female Los Angeles police officers by male officers. Portions of the tapes were admitted into evidence during the O. J. Simpson murder case. In the tapes Fuhrman also made many references to the "planting of evidence" and implied that police brutality and evidence planting were common practice in the Los Angeles Police Department.
Document 12: Algiers Motel incident: The Algiers Motel Incident occurred in Detroit, Michigan, United States, during the night of July 25–26, 1967 during the racially charged 12th Street Riot. At the Algiers Motel, approximately one mile east of where the riots began, three teenage civilians, all of them black, were beaten and killed by police. Nine others—two white females and seven black males—were badly beaten and humiliated by members of a riot task force composed of the Detroit Police Department, the Michigan State Police, and the Michigan Army National Guard, and a private security guard. The incident occurred after reports were received that snipers, a gunman, or group of gunmen had been seen at or near the motel. One death has never been explained as the body was allegedly found by responding officers. Two deaths have been attributed to "justifiable homicide" or "self-defense". Charges of felonious assault, conspiracy, murder, and conspiracy to commit civil rights abuse were filed against three officers and one private security guard. All were found not guilty.
Document 13: LAPD: Life on the Beat: LAPD: Life on the Beat (sometimes referred to individually as LAPD or Life on the Beat) is an American reality television series that follows officers of the Los Angeles Police Department, as they respond to various incidents within their precincts' jurisdiction. The program aired in first-run syndication from September 11, 1995 to September 10, 1999 (premiering in 1997 in Portugal). Like its contemporary, "COPS", "LAPD" followed police officers on patrol and during investigations; however unlike "COPS", "Life on the Beat" only featured police officers from the Los Angeles Police Department (LAPD). The series was originally titled simply "LAPD" for its first season in 1995, before adopting the expanded title in 1996, in conjunction with the introduction of an upgraded graphical look.
Document 14: Reginald VelJohnson: Reginald VelJohnson (born Reginald VelJohnson Jr., August 16, 1952) is an American actor and comedian. He is best known for playing policeman characters such as Carl Winslow on the sitcom "Family Matters," which ran from 1989 to 1998, and LAPD Sgt. Al Powell in the films "Die Hard" and "Die Hard 2".
Document 15: Rodney King: Rodney Glen King (April 2, 1965 – June 17, 2012) was a taxi driver who became internationally known after a tape was released of him being beaten on March 3, 1991, by Los Angeles Police Department officers following a high-speed car chase. A witness, George Holliday, videotaped much of the beating from his balcony, and sent the footage to local news station KTLA. The footage shows four officers surrounding King, several of them striking him repeatedly, while other officers stood by. Parts of the footage were aired around the world, and raised public concern about police treatment of minorities in the United States.
ground_truth: five