Table:
couple
lone parent with child under 25
persons living alone
other family types or living with non-relatives

both without a disability
one with a disability
both with a disability

percent

disability status

without a disability
63.3
11.4
0.3
6.0
11.7
7.4

with a disability
1.0
44.7
17.0
8.3
16.7
12.2

disability type

physical-sensory disability
1.0
52.3
19.2
6.9
13.8
6.9

mental-cognitive disability
1.9
41.8
9.1
9.2
18.2
19.9

combined disabilities
0.6
30.0
16.0
11.1
22.1
20.2

disability severity class

mild
1.3
52.7
16.6
8.2
12.7
8.5

more severe
0.8
36.5
17.6
8.4
20.7
16.0

Please ascertain the quantity of rows and columns within the provided table. Show your final answer in the JSON format {"row_number": "m", "column_number": "n"}.

This table has 13 rows and 7 columns. Thus, the final answer is {"row_number": "13", "column_number": "7"}.