Table:
train ticket to Los Angeles	$164.00

train ticket to San Francisco	$883.00

train ticket to St. Louis	$161.00

train ticket to Chicago	$274.00

train ticket to Boston	$483.00

How many rows and columns does this table contain? Return the result as JSON in the format {"row_number": "m", "column_number": "n"}, e.g., {"row_number": "12", "column_number": "7"}.

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