Table:
Joseph Thomas Murray

Joseph Thomas Murray

Born	(1834-05-12)May 12, 1834

Salem, Massachusetts

Died	January 27, 1907(1907-01-27) (aged 72) (death date then birth date)

Springfield, Massachusetts

Cause of death	pneumonia
Citizenship	United States

Retrieve the values of cells at the given table positions, indicated by row and column indices. Show the cell value in the JSON format {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}.
Positions to check:
row 4 and column 4,
row 3 and column 4,

The extracted cell contents are listed below.
{"row_id":"4", "column_id":"4", "cell_value":"Springfield, massachusetts"}
{"row_id":"3", "column_id":"4", "cell_value":"27 january 1907"}