ship name in service project number type class comments
ship name
in service
project number
type
class
comments
number
text number text text text text
lenin 1959 92m icebreaker arktika decommissioned 1989. museum ship
list the ships that have their class as arktika .
NN DT NNS WDT VBD-AUX PRP$ NN IN NN .
Arktika|Sibir|Rossiya|Sovetskiy Soyuz|Yamal|50 Let Pobedy
select c1 from w where c5 = 'arktika'