Table:
spiral snail shell	$0.01

scallop shell	$0.03

polished silver top shell	$0.02

oyster shell	$0.06

pink and white striped shell	$0.04

For the shown table, how many rows and columns are there? The JSON format {"row_number": "m", "column_number": "n"} should be utilized to display the ultimate result.

There are 5 rows and 2 columns in the table. So, the final answer is {"row_number": "5", "column_number": "2"}.