locomotive named serial no entered service gauge livery
locomotive
named
serial no
entered service
gauge
livery
number parsed year month
text text text date text text
bl26 bob hawke 83-1010 march 1983 standard pacific national blue & yellow
what is the first year entered service year ?
WP VBD-AUX DT JJ NN VBD NN NN .
1983
Keyword Keyword Keyword Column Keyword Keyword Keyword
select min ( c4_year ) from w
None None Keyword Keyword None Column Column None None
['max', 'max_min'] ['max', 'max_min'] c4_year c4_year