Table:
Stem	Leaf

1	4, 6, 8, 9

2	0, 0, 0, 2, 2, 3, 7

3	0, 2, 4, 9

4	5

This is a table picture. Can you figure out the row and column numbers for this particular table? The final result should be presented in the JSON format of {"row_number": "m", "column_number": "n"}.

There are 6 rows and 2 columns in the table. So, the final answer is {"row_number": "6", "column_number": "2"}.