tops design code electrical system max speed weight brakes route availability notes
tops design code
electrical system
max speed
weight
brakes
route availability
notes
number
first second first_number second_number
first second first_number second_number
number
text unitnum unitnum(unitnum) unitnum(unitnum) text number text
08-0av 90 v 20 mph (32 km/h) 49.8 te (496 kn) vacuum 5 scharfenberg adapter fitted
how many times is 90v listed as the electrical system ?
WRB JJ NNS VBD-AUX NN VBN IN DT JJ NN .
8
select count ( * ) from w where c2 = '90 v'