party leader from to
party
leader
from
to
number parsed year month
number parsed year month
text text date date
scottish national party gordon wallace may 1974 may 1978
compare the scottish national party to the conservative and determine which party had their leaders in office for a longer time .
VB DT NNP NNP NNP TO DT JJ CC VB WDT NN VBD-AUX PRP$ NNS IN NN IN DT JJR NN .
Conservative
select c1 from w where c1 in ( 'scottish national party' , 'conservative' ) group by c1 order by sum ( c4_year - c3_year ) desc limit 1