Table:
jade necklace	$9,388.00

opal pendant	$7,657.00

topaz bracelet	$2,811.00

gold ring	$1,901.00

diamond bracelet	$4,063.00

diamond pendant	$5,253.00

For the shown table, how many rows and columns are there? The final result should be presented in the JSON format of {"row_number": "m", "column_number": "n"}.

This table has 6 rows and 2 columns. Thus, the final answer is {"row_number": "6", "column_number": "2"}.