Table:
David Rockefeller

Rockefeller in 1953

Chairman of the Council on Foreign Relations
In office
1970–1985
Preceded by	John J. McCloy
Succeeded by	Peter George Peterson
Chairman & CEO of Chase Manhattan Bank
In office
1969–1981
Preceded by	George Champion
Succeeded by	Willard C. Butcher

Personal details
Born	(1915-06-12)June 12, 1915
New York City, U.S.
Died	March 20, 2017(2017-03-20) (aged 101)
Pocantico Hills, New York, U.S.
Political party	Republican
Spouse

Margaret McGrath

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(m. 1940; died 1996)​

Children	David Jr., Abigail, Neva, Margaret, Richard, and Eileen
Parent(s)	John Davison Rockefeller Jr.
Abigail Greene Aldrich
Relatives	See Rockefeller family
Education	A.B. in 1936 & Ph.D. in 1940
Alma mater	Harvard University
London School of Economics
University of Chicago
Occupation	Banker, philanthropist

Retrieve the content of the cell located in the 7th row and the 2nd column of this table. The target cell value should be presented in the JSON format of {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}, e.g., {"row_id":"10", "column_id":"3", "cell_value":"District"}.

The target cell value in the 7th row and the 2nd column is {"row_id":"7", "column_id":"2", "cell_value":"1940–2017"}.