Table:
record	hard	clay	grass	carpet

2 - 0	0 - 0	1 - 0	1 - 0	0 - 0

2 - 0	2 - 0	0 - 0	0 - 0	0 - 0

2 - 0	1 - 0	0 - 0	0 - 0	1 - 0

2 - 0	0 - 0	2 - 0	0 - 0	0 - 0

2 - 1	1 - 1	1 - 0	0 - 0	0 - 0

2 - 3	0 - 0	1 - 3	1 - 0	0 - 0

1 - 0	1 - 0	0 - 0	0 - 0	0 - 0

1 - 0	0 - 0	1 - 0	0 - 0	0 - 0

1 - 0	0 - 0	0 - 0	1 - 0	0 - 0

1 - 1	1 - 1	0 - 0	0 - 0	0 - 0

1 - 2	0 - 1	1 - 1	0 - 0	0 - 0

Please identify the row and column numbers of the table displayed in this image. Your final answer should be in the JSON structure, formatted as {"row_number": "m", "column_number": "n"}.

This table has 12 rows and 5 columns. Thus, the final answer is {"row_number": "12", "column_number": "5"}.