Table:
piece of red sandstone	$0.09

piece of black obsidian	$0.09

piece of copper	$0.06

piece of smoky quartz	$0.05

piece of polished granite	$0.09

orange agate	$0.03

Could you count the number of rows and columns in this table? Show your final answer in the JSON format {"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"}.