operators named trains destination year begun year discontinued
operators
named trains
destination
year begun
year discontinued
list length list_address
number parsed year
number
text text <a,address> date number
baltimore and ohio capitol limited chicago, illinois via washington, d.c. and pittsburgh, pennsylvania 1923 1958
what is the difference -lrb- in years -rrb- between when the royal blue began and the year the crusader began ?
WP VBD-AUX DT NN -LRB- IN NNS -RRB- IN WRB DT NNP NNP VBD CC DT NN DT NNP VBD .
47
select abs ( ( select c4_year from w where c2 = 'royal blue' ) - ( select c4_year from w where c2 = 'crusader' ) )