no. name term of office president(s) served under
no .
name
term of office
president -lrb- s -rrb- served under
number
minimum_number minimum_parsed minimum_day minimum_month minimum_year maximum_number maximum_parsed maximum_day maximum_month maximum_year
number text timespan text
1 william bennett march 28, 1991 - january 20, 1993 george h. w. bush
what were the total number of years bob martinez served in office ?
WP VBD-AUX DT JJ NN IN NNS NNP NNP VBD IN NN .
2
select c3_maximum_year - c3_minimum_year from w where c2 = 'bob martinez'