Table:
Breed	Number of dogs registered

Labrador Retrievers	400

Beagles	660

Boxers	560

Yorkshire Terriers	860

Golden Retrievers	600

Other	450

Extract the content of the cell at the 7th row and the 2nd column in this table. Format the cell value as a JSON, using the structure {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}.

The target cell value in the 7th row and the 2nd column is {"row_id":"7", "column_id":"2", "cell_value":"600"}.