Question: Who is the current sheriff of maricopa county arizona?

context: No context provided
question: Who is the sheriff of Maricopa County, Arizona from 1989-93?
short_answers: Thomas J. Agnos
context: The Maricopa County Sheriff's Office (MCSO) is the law enforcement agency that serves Maricopa County, Arizona, and is the largest sheriff's office in Arizona. The MCSO provides patrol services and criminal investigation to unincorporated areas of the county and operates the county jail system. It also serves as the primary law enforcement agency for any incorporated cities within the county that have contracted with the agency for law-enforcement services (known as "contract cities"). The county sheriff is elected by the citizens and serves as the highest law enforcement official in Maricopa County. The current Sheriff of Maricopa County is Paul Penzone, elected in 2016. As a result of policies and practices under former sheriff Joe Arpaio the MCSO has received significant critical media coverage, federal investigation, and judicial oversight.
question: Who is the sheriff of Maricopa County, Arizona from 1993-2017?
short_answers: Joe Arpaio
context: The Maricopa County Sheriff's Office (MCSO) is the law enforcement agency that serves Maricopa County, Arizona, and is the largest sheriff's office in Arizona. The MCSO provides patrol services and criminal investigation to unincorporated areas of the county and operates the county jail system. It also serves as the primary law enforcement agency for any incorporated cities within the county that have contracted with the agency for law-enforcement services (known as "contract cities"). The county sheriff is elected by the citizens and serves as the highest law enforcement official in Maricopa County. The current Sheriff of Maricopa County is Paul Penzone, elected in 2016. As a result of policies and practices under former sheriff Joe Arpaio the MCSO has received significant critical media coverage, federal investigation, and judicial oversight.
question: Who is the sheriff of Maricopa County, Arizona from 2017-present?
short_answers: Paul Penzone
context: The Maricopa County Sheriff's Office (MCSO) is the law enforcement agency that serves Maricopa County, Arizona, and is the largest sheriff's office in Arizona. The MCSO provides patrol services and criminal investigation to unincorporated areas of the county and operates the county jail system. It also serves as the primary law enforcement agency for any incorporated cities within the county that have contracted with the agency for law-enforcement services (known as "contract cities"). The county sheriff is elected by the citizens and serves as the highest law enforcement official in Maricopa County. The current Sheriff of Maricopa County is Paul Penzone, elected in 2016. As a result of policies and practices under former sheriff Joe Arpaio the MCSO has received significant critical media coverage, federal investigation, and judicial oversight.
question: Who is the current sheriff of maricopa county arizona since 2017?
short_answers: Paul Penzone
context: The Maricopa County Sheriff's Office (MCSO) is the law enforcement agency that serves Maricopa County, Arizona, and is the largest sheriff's office in Arizona. The MCSO provides patrol services and criminal investigation to unincorporated areas of the county and operates the county jail system. It also serves as the primary law enforcement agency for any incorporated cities within the county that have contracted with the agency for law-enforcement services (known as "contract cities"). The county sheriff is elected by the citizens and serves as the highest law enforcement official in Maricopa County. The current Sheriff of Maricopa County is Paul Penzone, elected in 2016. As a result of policies and practices under former sheriff Joe Arpaio the MCSO has received significant critical media coverage, federal investigation, and judicial oversight.
question: Who is the sheriff of maricopa county arizona, from 1993-2017?
short_answers: Joe Arpaio
context: No context provided
question: Who is the sheriff of maricopa county arizona, from 1989-1993?
short_answers: Thomas J. Agnos

long_answer: From 1989-1993, Thomas J. Agnos served as the Maricopa County Sheriff. His position was taken over by Sheriff Joe Arpaio from 1993 to 2017. In 2016, Paul Penzone was elected as the new county Sheriff but has been serving as the current Maricopa County Sheriff since 2017. 
long_answer: The Maricopa County Sheriff's Office (MCSO) is the law enforcement agency that serves Maricopa County, Arizona, and is the largest sheriff's office in Arizona. The Sheriff of Maricopa County from 1989-1993 was Thomas J. Agnos. The Sheriff from 1993-2017 was Joe Arpaio. The Sheriff from to 2017 to present is Paul Penzone.