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)
which type of terrain is listed the most ?
WDT NN IN NN VBD-AUX VBN DT RBS .
Plain stage
select c4 from w group by c4 order by count ( * ) desc limit 1