stage date route terrain length winner
stage
date
route
terrain
length
winner
number
number parsed year month day
list length
first second first_number second_number
first second
number date <d, text> text unitnum(unitnum) text(text)
1 1 july saint-brieuc individual time trial 7.3 km (4.5 mi) jacky durand (fra)
how much longer is the 20th tour de france stage than the 19th ?
WRB RB JJR VBD-AUX DT JJ NN IN NNP NNP IN DT JJ .
108.5 km
select ( select c5_first_number from w where c1_number = 20 ) - ( select c5_first_number from w where c1_number = 19 )