Table:
Joseph Glidden

Born	January 18, 1813

Charlestown, New Hampshire, U.S.

Died	October 9, 1906(1906-10-09) (aged 93)

DeKalb, Illinois

Residence	Joseph F. Glidden House, DeKalb, Illinois, U.S.
Occupation	Businessman
Spouse(s)	Clarissa Foster (1837-1843) Lucinda Warne (1850-1895)
Children	Virgil Glidden, Homer Glidden, Elva Glidden

How many rows and columns does the given table have? The final result should be presented in the JSON format of {"row_number": "m", "column_number": "n"}.

There are 7 rows and 2 columns in the table. So, the final answer is {"row_number": "7", "column_number": "2"}.