Question: The Diocese of Syracuse is headquartered in what county?

full_context: Document 1: Albany, New York: Albany ( ) is the capital of the U.S. state of New York and the seat of Albany County. Roughly 150 mi north of New York City, Albany developed on the west bank of the Hudson River, about 10 mi south of its confluence with the Mohawk River. The population of the City of Albany was 97,856 according to the 2010 census. Albany constitutes the economic and cultural core of the Capital District of New York State, which comprises the Albany-Schenectady-Troy, NY Metropolitan Statistical Area, including the nearby cities and suburbs of Troy, Schenectady, and Saratoga Springs. With a 2013 Census-estimated population of 1.1 million the Capital District is the third-most populous metropolitan region in the state and 38th in the United States.
Document 2: Roman Catholic Diocese of Buffalo: The Diocese of Buffalo is a Roman Catholic diocese headquartered in Buffalo, New York, United States. It is included in the province of the Roman Catholic Archdiocese of New York, in the Roman Rite. The Buffalo Diocese includes eight counties in Western New York State. The Catholic population is nearly 700,000. The Diocese is divided into more than 150 parishes, which also include churches, schools, convents, seminaries, hospitals, and colleges. The Buffalo Diocese was established in 1847. From the Buffalo Diocese, the Roman Catholic Diocese of Rochester was created in 1868. The Most Reverend Richard Joseph Malone became the 14th bishop of the Buffalo Diocese, August 10, 2012.
Document 3: Rome, New York: Rome is a city in New York State. It is located in Oneida County, which is in north-central or Upstate New York. The population was 33,725 at the 2010 census. Rome is one of two principal cities in the Utica–Rome Metropolitan Statistical Area, which lies in the "Leatherstocking Country" made famous by James Fenimore Cooper's "Leatherstocking Tales," set in frontier days before the American Revolutionary War. Rome is in New York's 22nd congressional district.
Document 4: St. Bonaventure University: St. Bonaventure University is a private, co-ed Franciscan Catholic university in Allegany, Cattaraugus County, New York, United States, within the Diocese of Buffalo. It has roughly 2,400 undergraduate and graduate students. The Franciscan Brothers established the university in 1858. Its president is currently Dr. Dennis R. DePerro, who is serving as the 21st president following the retirement of the university's 20th president, Sister Margaret Carney, OSF, STD, the first religious sister to hold the position full-time.
Document 5: Liverpool, New York: Liverpool is a lakeside village in Onondaga County, New York, United States. The population was 2,347 at the 2010 census. The name was adopted from the city of Liverpool in the United Kingdom. The village is on Onondaga Lake, in the western part of the town of Salina and is northwest of Syracuse, of which it is a suburb.
Document 6: Columbus Circle (Syracuse, New York): Columbus Circle is a neighborhood and plaza in the downtown section of Syracuse, New York. Columbus Monument was designed by the Syracuse-born architect, Dwight James Baum in 1934. Columbus Circle is home to Syracuse's two cathedrals, the Episcopalian St. Paul's Cathedral and the Roman Catholic Cathedral of the Immaculate Conception. As well as County Court House and the County's John H. Mulroy Civic Center, home of the Onondaga County Government.
Document 7: Episcopal Diocese of Rochester: The Episcopal Diocese of Rochester is the diocese of the Episcopal Church in the United States of America with jurisdiction over eight counties in west central New York. It is bounded on the north by Lake Ontario, on the east by the Episcopal Diocese of Central New York, on the south by the Episcopal Diocese of Central Pennsylvania and on the west by the Episcopal Diocese of Western New York. It is in Province 2 and has no cathedral. Its diocesan offices are in Rochester.
Document 8: University Hill, Syracuse: University Hill is a neighborhood in Syracuse, New York, located east and southeast of downtown, on one of the larger hills in Syracuse. It is the major educational and medical district of Syracuse, as well as an important business district, with three of the top ten employers in the Syracuse region located there. The largest of these is Syracuse University, from which the neighborhood's name derives. "The Hill" is also to home a Veterans Administration Medical Center, the state-run Upstate Medical University and State University of New York College of Environmental Science and Forestry, as well as the private Crouse Hospital, Richard H. Hutchings Psychiatric Center, and Rosewood Heights Medical Center. These seven institutions account for over 16,000 full-time positions and over 20,000 students. The neighborhood is considered to end at the peak of the hill, at Thornden Park, where it borders the Westcott and University neighborhoods. The south section of University Hill is home to the 82 acre Oakwood Cemetery.
Document 9: Schenectady, New York: Schenectady ( ) is a city in Schenectady County, New York, United States, of which it is the county seat. As of the 2010 census, the city had a population of 66,135. The name "Schenectady" is derived from a Mohawk word "skahnéhtati" meaning "beyond the pines". The city was founded on the south side of the Mohawk River by Dutch colonists in the 17th century, many from the Albany area. They were prohibited from the fur trade by the Albany monopoly, which kept its control after the English takeover in 1664. Residents of the new village developed farms on strip plots along the river.
Document 10: Troy, New York: Troy is a city in the U.S. State of New York and the seat of Rensselaer County. The city is located on the western edge of Rensselaer County and on the eastern bank of the Hudson River. Troy has close ties to the nearby cities of Albany and Schenectady, forming a region popularly called the Capital District. The city is one of the three major centers for the Albany Metropolitan Statistical Area (MSA), which has a population of 1,170,483. At the 2010 census, the population of Troy was 50,129. Troy's motto is "Ilium fuit. Troja est", which means "Ilium was, Troy is".
Document 11: Roman Catholic Diocese of Syracuse: The Diocese of Syracuse is a Catholic diocese headquartered in Syracuse, New York, United States. The current bishop is the Most Rev. Robert J. Cunningham. The Roman Catholic Diocese of Syracuse includes 237,546 Catholics residing in seven counties of Central and South Central New York State. The seven counties are Broome, Chenango, Cortland, Madison, Oneida, Onondaga and Oswego.
Document 12: Roman Catholic Diocese of Mymensingh: The Roman Catholic Diocese of Mymensingh (Latin: "Dioecesis Mymensinghensis" ) is a diocese located in the city of Mymensingh in the Ecclesiastical province of Dhaka in Bangladesh. Bishop Ponen Paul Kubi, CSC, DD is head of the Diocese of Mymensingh. Most of the people in this Diocese are from Garo tribal community. Bishop is also a Garo tribal. A total of 76,047 Catholics and 6665 Protestant Christians live here. People live on farming, day laborer in rural area and many people live in cities as migrant workers. Female Garo are very skill in beauty parlor profession.
Document 13: Diocese of Rome: The Diocese of Rome (Latin: "Dioecesis Urbis seu Romana" , Italian: "Diocesi di Roma" ) is a diocese of the Catholic Church in Rome. The Bishop of Rome is the Pope, the Supreme Pontiff and head of the Catholic Church. As the Holy See, the papacy is a sovereign entity with diplomatic relations, and civil jurisdiction over the Vatican City State located geographically within Rome. The Diocese of Rome is the metropolitan diocese of the Province of Rome, an ecclesiastical province in Italy. The Catholic Church teaches that the first Bishop of Rome was Saint Peter in the first century. The incumbent since 13 March 2013 is Pope Francis.
Document 14: Syracuse University: Syracuse University (commonly referred to as Syracuse, 'Cuse, or SU) is a private research university in Syracuse, New York, United States. The institution's roots can be traced to the Genesee Wesleyan Seminary (later becoming Genesee College), founded in 1831 by the Methodist Episcopal Church in Lima, New York. After several years of debate over relocating the college to Syracuse, the university was established in 1870, independent of the college. Since 1920, the university has identified itself as nonsectarian, although it maintains a relationship with The United Methodist Church.
Document 15: Syracuse, New York: Syracuse ( ) is a city in, and the county seat of, Onondaga County, New York, in the United States. It is the largest U.S. city with the name "Syracuse", and is the fifth most populous city in the state of New York following New York City, Buffalo, Rochester, and Yonkers. At the 2010 census, the city population was 145,252, and its metropolitan area had a population of 662,577. It is the economic and educational hub of Central New York, a region with over a million inhabitants. Syracuse is also well-provided with convention sites, with a downtown convention complex. Syracuse was named after the original Greek city Syracuse (Siracusa in Italian), a city on the eastern coast of the Italian island of Sicily.
ground_truth: Onondaga County