date name nationality tonnage
(grt) fate
date
name
nationality
tonnage -lrb- grt -rrb-
fate
number parsed year month day
number
date text text number text
7 october 1941 svend foyn united kingdom 14795 damaged
how many ships were attacked by u-502 but not sunk ?
WRB JJ NNS VBD-AUX VBN IN NN CC RB VBN .
2
select count ( c2 ) from w where c5 != 'sunk'