Table:
green marble	$0.07

green bouncy ball	$0.05

colorful pinwheel	$0.07

red kazoo	$0.08

At the 1st row and the 1st column of this table, retrieve and report the content of the corresponding cell. Represent the cell value in the JSON format {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}. For instance, {"row_id":"5", "column_id":"4", "cell_value":"missouri 4"}.

The target cell value in the 1st row and the 1st column is {"row_id":"1", "column_id":"1", "cell_value":"green marble"}.