Table: fort monroe
[['rank', 'name', 'begin date', 'end date', 'notes'], ['lieutenant colonel', 'ramsay d potts ramsay d potts', '1904 - 02 - 22 22 february 1904', '1906 - 08 - 11 11 august 1906', 'a'], ['lieutenant colonel', 'george f e harrison george f e harrison', '1906 - 10 - 24 24 october 1906', '1909 - 1 - 14 14 january 1909', 'a'], ['lieutenant colonel', 'clarence p townsley clarence page townsley', '1909 - 02 - 06 06 - february - 1909', '1911 - 09 - 07 7 september 1911', 'a'], ['lieutenant colonel', 'frederick s strong frederick s strong', '1911 - 09 - 08 8 september 1911', '1913 - 02 - 27 27 february 1913', 'a'], ['colonel', 'ira a haynes ira a haynes', '1913 - 02 - 18 18 february 1913', '1916 - 10 - 16 16 october 1916', 'a'], ['colonel', 'stephen m foote stephen m foote', '1916 - 10 - 01 1 october 1916', '1917 - 08 - 23 23 august 1917', 'a'], ['colonel', 'john a lundeen john a lundeen', '1917 - 08 - 23 23 august 1917', '1918 - 03 - 30 30 march 1918', 'a'], ['colonel', 'frank k fergusson frank k fergusson', '1918 - 03 - 30 30 march 1918', '1918 - 09 - 11 11 september 1918', 'a'], ['colonel', 'robert r welshimer robert r welshimer', '1918 - 09 - 08 08 september 1918', '1919 - 01 - 29 29 january 1919', 'a'], ['colonel', 'eugene reybold eugene reybold', '1919 - 01 - 29 29 january 1919', '1920 - 01 - 19 19 january 1920', 'a'], ['colonel', 'jacob c johnson jacob c johnson', '1920 - 01 - 19 19 january 1920', '1920 - 11 - 03 03 november 1920', 'a'], ['colonel', 'richmond p davis richmond p davis', '1921 - 04 - 28 28 april 1921', '1922 - 12 - 28 28 december 1922', 'a'], ['brigadier general', 'william ruthven smith william ruthven smith', '1923 - 01 - 11 11 january 1923', '1924 - 12 - 20 20 december 1924', 'a'], ['brigadier general', 'robert emmet callan robert emmet callan', '1924 - 12 - 20 20 december 1924', '1929 - 06 - 03 03 june 1929', 'a'], ['brigadier general', 'henry d todd henry d todd', '1929 - 08 - 28 28 august 1929', '1930 - 08 - 31 31 august 1930', 'a'], ['brigadier general', 'stanley dunbar embick stanley dunbar embick', '1930 - 10 - 01 1 october 1930', '1932 - 04 - 25 25 april 1932', 'a'], ['brigadier general', 'joseph p tracy joseph p tracy', '1932 - 08 - 31 31 august 1932', '1936 - 12 - 01 1 december 1936', 'a'], ['brigadier general', 'john w , gulick john w gulick', '1937 - 01 - 03 3 january 1937', '1938 - 10 - 12 12 october 1938', 'a'], ['brigadier general', 'frederick h smith frederick h smith', '1938 - 11 - 21 21 november 1938', '1940 - 10 - 01 1 october 1940', 'a'], ['brigadier general', 'frank s clark frank s clark', '1940 - 10 - 10 10 october 1940', '1942 - 01 - 15 15 january 1942', 'a'], ['brigadier general', 'lawrence b weeks lawrence b weeks', '1943 - 02 - 18 15 january 1942', '19445 - 10 - 01 1 october 1945', 'a'], ['brigadier general', 'robert t frederick robert t frederick', '1945 - 11 - 01 1 november 1945', '1947 - 08 - 19 19 august 1947', 'a']]
Statement: Frederick S Strong is the only Lieutenant Colonel that was replaced by a Colonel
Statement: Robert T Frederick was at the head of Fort Monroe more than 10 year after Jacob C Johnson
Statement: between 1904 and 1922 there were 4 Lieutenant Colonel followed by 8 Colonel at the head of Fort Monroe
Statement: Robert Emmet Callan had the longest time at being at the head of Fort Monroe
Statement: there was Lieutenant Colonel at the head of Fort Monroe for 9 year