Table:
Rank
Lane
Name
Nationality
Time
Notes

3
Grant Hackett
Australia
14:43.40
OR

6
Larsen Jensen
United States
14:45.29
NR

4
David Davies
Great Britain
14:45.95
NR

4
5
Yuri Prilukov
Russia
14:52.48
NR

5
2
Spyridon Gianniotis
Greece
15:03.69

6
1
Graeme Smith
Great Britain
15:09.71

7
7
Dragoș Coman
Romania
15:10.21

8
8
Craig Stevens
Australia
15:13.66

How many rows and columns does the given table have? Present the final answer in a JSON format {"row_number": "m", "column_number": "n"} such as {"row_number": "2", "column_number": "3"}.

This table has 9 rows and 6 columns. Thus, the final answer is {"row_number": "9", "column_number": "6"}.