Table:
Player

G

IP

W

L

ERA

SO

Cy Young
39
287+2⁄3
13
21
3.19
140

Joe Harris
30
235
2
21
3.52
99

Bill Dinneen
28
218+2⁄3
8
19
2.92
60

George Winter
29
207+2⁄3
6
18
4.12
72

Jesse Tannehill
27
196+1⁄3
13
11
3.16
82

Ralph Glaze
19
123
4
6
3.59
56

How many rows and columns does this table contain? Show your final answer in the JSON format {"row_number": "m", "column_number": "n"}.

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