Table:
Number
Name
Service
From
To

1
COL Erasmus M. Weaver, Jr.
USA
February 14, 1908
March 14, 1911

2
BG Robert K. Evans
USA
March 15, 1911
August 31, 1912

3
MG Albert L. Mills
USA
September 1, 1912
September 18, 1916

(Acting)
COL George W. McIver
USA
September 18, 1916
October 26, 1916

4
MG William A. Mann
USA
October 26, 1916
November 26, 1917

5
MG Jesse McI. Carter
USA
November 26, 1917
August 15, 1918

(Acting)
BG John W. Heavey
USA
August 15, 1918
February 5, 1919

5
MG Jesse McI. Carter
USA
February 5, 1919
June 28, 1921

6
MG George C. Rickards
USA
June 29, 1921
June 28, 1925

7
MG Creed C. Hammond
USA
June 29, 1925
June 28, 1929

(Acting)
COL Ernest R. Redmond
USA
June 29, 1929
September 30, 1929

8
MG William G. Everson
USA
October 1, 1929
November 30, 1931

9
MG George E. Leach
USA
December 1, 1931
November 30, 1935

(Acting)
COL Herold J. Weiler
USA
December 1, 1935
January 16, 1936

(Acting)
COL John F. Williams
USA
January 17, 1936
January 30, 1936

10
MG Albert H. Blanding
USA
January 31, 1936
January 30, 1940

11
MG John F. Williams
USA
January 31, 1940
January 30, 1944

(Acting)
MG John F. Williams
USA
January 31, 1944
January 31, 1946

12
MG Butler B. Miltonberger
USA
February 1, 1946
September 29, 1947

13
MG Kenneth F. Cramer
USA
September 30, 1947
September 4, 1950

(Acting)
MG Raymond H. Fleming
USA
September 5, 1950
August 13, 1951

14
MG Raymond H. Fleming
USA
August 14, 1951
February 15, 1953

(Acting)
Maj Gen Earl T. Ricks
USAF
February 16, 1953
June 21, 1953

15
MG Edgar C. Erickson
USA
June 22, 1953
May 31, 1959

(Acting)
Maj Gen Winston P. Wilson
USAF
June 1, 1959
July 19, 1959

16
MG Donald W. McGowan
USA
July 20, 1959
August 30, 1963

17
Maj Gen Winston P. Wilson
USAF
August 31, 1963
August 31, 1971

18
MG Francis S. Greenlief
USA
September 1, 1971
June 23, 1974

19
LTG La Vern E. Weber
USA
August 16, 1974
August 15, 1982

20
LTG Emmett H. Walker, Jr.
USA
August 16, 1982
August 15, 1986

21
LTG Herbert R. Temple, Jr.
USA
August 16, 1986
January 31, 1990

22
Lt Gen John B. Conaway
USAF
February 1, 1990
December 1, 1993

(Acting)
Maj Gen Philip G. Killey
USAF
December 2, 1993
January 1, 1994

(Acting)
MG Raymond F. Rees
USA
January 2, 1994
July 31, 1994

(Acting)
MG John R. D'Araujo, Jr.
USA
August 1, 1994
September 30, 1994

23
LTG Edward D. Baca
USA
October 1, 1994
July 31, 1998

24
Lt Gen Russell C. Davis
USAF
August 4, 1998
August 3, 2002

(Acting)
MG Raymond F. Rees
USA
August 4, 2002
April 10, 2003

25
LTG H Steven Blum
USA
April 11, 2003
November 17, 2008

26
Gen Craig R. McKinley
USAF
November 17, 2008
September 6, 2012

27
GEN Frank J. Grass
USA
September 7, 2012
Present

Please identify the row and column numbers of the table displayed in this image. Present the final answer in a JSON format {"row_number": "m", "column_number": "n"} such as {"row_number": "2", "column_number": "3"}.

There are 42 rows and 5 columns in the table. So, the final answer is {"row_number": "42", "column_number": "5"}.