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 have a max speed of 20 but are only dual brakes ?
WRB JJ VBD-AUX DT NN NN IN CD CC VBD-AUX RB JJ NNS .
1
select count ( * ) from w where c3_first_number = 20 and c5 = 'dual'