stage date route terrain length winner
stage
date
route
terrain
length
winner
number parsed year month day
first second first_number second_number
first second
text date text text unitnum(unitnum) text(text)
p 29 june leiden individual time trial 5 km (3.1 mi) jan raas (ned)
how many number of stages in the tour de france contain stages with mountains ?
WRB JJ NN IN NNS IN DT NN IN NNP VBP NNS IN NNS .
3
select count ( c1 ) from w where c4 = 'stage with mountain(s)'