Question: The theological institution Columbia Theological Seminary is affiliated with was established with a merger in what year?

Context paragraphs:
Columbia Theological Seminary: Columbia Theological Seminary is a seminary in Decatur, Georgia.  It is one of ten theological institutions affiliated with the Presbyterian Church (USA).

Union Theological Seminary (Philippines): Union Theological Seminary is the oldest Protestant seminary in the Philippines.  It was created when the Ellinwood Bible Training School (founded by the Presbyterians in 1905) and the Florence B. Nicholson Bible Seminary (established by the Methodists in 1905) merged into one theological institution in 1907.  For more than a hundred years, it has educated Filipino pastors and other church workers for higher learning.  The fusion of these two institutions was a significant event for the , which intended to unify various Protestant denominations that came from America at the dawn of the 20th century.  Though the United Church of Christ in the Philippines and the United Methodist Church collectively support the seminary, the institution remains to be independent in structure and curricular formation.

Newton Theological Institution: Newton Theological Institution began instruction on November 28, 1825 at Newton Centre, Massachusetts as a graduate seminary formally affiliated with the group now known as American Baptist Churches USA, the oldest Baptist denomination in America.  As the institution developed, it adopted Andover Theological Seminary's curricular pattern and shared the same theological tradition of loyalty to the evangelical Gospel and zeal for its dissemination.

George W. Knight III: George William Knight III (born 1931) is an ordained minister in the Orthodox Presbyterian Church.  He is a theologian, author, preacher, churchman, and adjunct professor of New Testament at Greenville Presbyterian Theological Seminary in Taylors, South Carolina.  Formerly, he was the founding Dean and Professor of New Testament at Knox Theological Seminary.  Prior to his appointment at Knox Theological Seminary, he taught New Testament and New Testament Greek at Covenant Theological Seminary in St. Louis, Missouri.  As a pastor, he planted Covenant Presbyterian Church in Naples, Florida and has served numerous other local churches in the Presbyterian Church in America and the Orthodox Presbyterian Church.  A former president of the Evangelical Theological Society, he has also taught and preached the Bible at many other seminaries and churches around the world.  He has authored several works, most notably "The Pastoral Epistles" and a short commentary of Timothy and Titus as included in the "Baker Commentary on the Bible".  He received his theological doctorate from Free University of Amsterdam in 1968.  Dr. Knight was a member of the General Assembly-appointed "Ad Interim Committee" to study the number of ordained offices in the Presbyterian Church in America according to Scripture.  His "Ad Interim Report of the Number of Offices" by George W. Knight III was incorporated into the polity of the Presbyterian Church in America.  He also served on an ad interim committee to study the issue of marriage, divorce and remarriage, which brought about the 1992 publication of a Position Paper of the Presbyterian Church in America on Remarriage and Divorce, 1992. .

Bibliotheca Sacra: Bibliotheca Sacra is a theological journal published by Dallas Theological Seminary, first published in 1844 and the oldest theological journal in the United States.  It was founded at Union Theological Seminary in 1843, and moved to Andover Theological Seminary (now Andover Newton Theological School) in 1844 after publishing three issues, to Oberlin College in 1884, and to Xenia Seminary in 1922.  Dallas Theological Seminary (then the Evangelical Theological Seminary) took over publication in 1934.

Pamela Cooper-White: Pamela Cooper-White will be the Christiane Brooks Johnson Memorial Chair in Psychology and Religion at Union Theological Seminary in New York beginning July 1, 2015.  She was previously the Ben G and Nancye Clapp Gautier Professor of Pastoral Theology, Care and Counseling at Columbia Theological Seminary in Decatur, GA and Co-Director of the Atlanta Theological Association's ThD program in Pastoral Counseling.  She was also ordained a Priest in the Episcopal Church in 1992 (and previously a Minister in the The United Church of Christ in 1984).  The Rev. Dr. Cooper-White was the first theologian ever to hold the title of Fulbright-Freud Visiting Scholar of Psychoanalysis.

Andover Theological Seminary: Andover Theological Seminary is located in Newton, Massachusetts and is the oldest graduate school of theology in the United States.  Andover Theological Seminary and Newton Theological Institution merged formally in 1965 to form the Andover Newton Theological School.

Lexington Theological Seminary: Lexington Theological Seminary is an accredited graduate theological institution located in Lexington, Kentucky.  Although the seminary is related to the Christian Church (Disciples of Christ), it is intentionally ecumenical with almost 50 percent of its enrollment coming from other denominations.  Lexington Theological Seminary is accredited by Association of Theological Schools in the United States and Canada.  The accreditation is for the Master of Divinity, Master of Theological Studies, Master of Pastoral Studies and Doctor of Ministry degrees.

Presbyterian Church (USA): The Presbyterian Church (USA), or PC(USA), is a mainline Protestant Christian denomination in the United States.  A part of the Reformed tradition, it is the largest Presbyterian denomination in the U.S., and known for its relatively progressive stance on doctrine.  The PC(USA) was established by the 1983 merger of the Presbyterian Church in the United States, whose churches were located in the Southern and border states, with the United Presbyterian Church in the United States of America, whose congregations could be found in every state.  The similarly named Presbyterian Church in America is a separate denomination whose congregations can also trace their history to the various schisms and mergers of Presbyterian churches in the United States.

Ezekiel Robinson: Ezekiel Gilman Robinson (March 23, 1815June 13, 1894) was an American Baptist clergyman, theologian and educator, born at Attleboro, Massachusetts, and educated at Brown University and at Newton Theological Institution.  He preached at Norfolk, Virginia, and at Cambridge, Massachusetts, was professor of Hebrew and biblical interpretation in the Western Theological Seminary (Covington, Kentucky), and in 1849 accepted a call to a church in Cincinnati, Ohio.  Three years later he was appointed professor of theology in Rochester Theological Seminary and in 1868 was made its president.  From 1872 to 1889 he was president of Brown University, and from 1893 to his death he occupied the chair of ethics and apologetics at the University of Chicago.  He edited the "Christian Review" from 1859 to 1864.

Supporting paragraphs: Columbia Theological Seminary Presbyterian Church (USA)
Answer: 1983