Table:
Rank

Athlete

Attempts

Result

Note

1

2

3

4

5

6

Viktor Saneyev (URS)

X

16.71

17.06

X

17.29

X

17.29 m

James Butts (USA)

16.69

16.76

14.80

17.18

16.55

16.61

17.18 m

João Carlos de Oliveira (BRA)

X

16.15

16.85

14.91

16.69

16.90

16.90 m

4
Pedro Pérez (CUB)

16.81

16.24

16.48

16.47

X

X

16.81 m

5
Tommy Haynes (USA)

15.46

X

16.68

16.78

16.71

16.71

16.78 m

6
Wolfgang Kolmsee (FRG)

16.23

X

16.68

16.58

16.31

X

16.68 m

7
Eugeniusz Biskupski (POL)

15.91

X

16.49

X

15.79

X

16.49 m

8
Carol Corbu (ROM)

16.07

16.18

16.43

X

16.00

X

16.43 m

9
Jiří Vyčichlo (TCH)

X
X
16.28

16.28 m

10
Pentti Kuukasjärvi (FIN)

16.15

16.14

16.23

16.23 m

11
Bernard Lamitié (FRA)

X

16.23

15.93

16.23 m

12
Rayfield Dupree (USA)

X

16.23

15.90

16.23 m

Please ascertain the quantity of rows and columns within the provided table. 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 15 rows and 10 columns. Thus, the final answer is {"row_number": "15", "column_number": "10"}.