Table:
Rank
Lane
Name
Nationality
Time
Notes

3
Britta Steffen
Germany
24.06
OR

4
Dara Torres
United States
24.07
AM

5
Cate Campbell
Australia
24.17

4
2
Lisbeth Trickett
Australia
24.25

5
6
Marleen Veldhuis
Netherlands
24.26

6
1
Kara Lynn Joyce
United States
24.63

7
7
Hinkelien Schreuder
Netherlands
24.65

8
8
Aliaksandra Herasimenia
Belarus
24.77

How many rows and columns does the given table have? The final result should be presented in the JSON format of {"row_number": "m", "column_number": "n"}.

There are 9 rows and 6 columns in the table. So, the final answer is {"row_number": "9", "column_number": "6"}.