name took office left office party
name
took office
left office
party
number
number parsed year month day
number parsed year month day
number text date date text
1 vasso papandreou 21 february 1996 19 february 1999 panhellenic socialist movement
in which party did the minister belong that held the longest term in office ?
IN WDT NN VBD-AUX DT NN VBP IN VBD DT JJS NN IN NN .
Panhellenic Socialist Movement
select c5 from w order by c4_year - c3_year desc limit 1