Table:
Thousand Island dressing	$3.10 per kilogram

blue cheese dressing	$1.76 per kilogram

raspberry vinaigrette	$2.47 per kilogram

Italian dressing	$2.40 per kilogram

ranch dressing	$1.65 per kilogram

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.

This table has 5 rows and 2 columns. Thus, the final answer is {"row_number": "5", "column_number": "2"}.