# name
(birth-death) took office left office monarch prime minister
#
name -lrb- birth -- death -rrb-
took office
left office
monarch
prime minister
number
first second third second_minimum_number second_minimum_parsed second_minimum_year second_maximum_number second_maximum_parsed second_maximum_year
number parsed year month day
number parsed year month day
number text(timespan)(text) date date text text
1 nicolaas jacobus de wet
(1873-1960)
(officer administering the government) 31 may 1910 8 september 1914 george v botha
how many total years did sir patrick duncan serve in office ?
WRB JJ JJ NNS VBD-AUX NNP NNP NNP VB IN NN .
6
Keyword Column Keyword Column Keyword Keyword Keyword Column Keyword Literal.String
select c4_year - c3_year from w where c2_first = 'sir patrick duncan'
None None Column Column None Literal Literal Literal Column None None None
c3_year c3_year c3_year