Table: scientist
Columns: name
type
nationality
date
displacement

Question: what is the date when the nationality is united kingdom, the type is freighter and the displacement is 5,145 t?
SQL: SELECT "date" FROM scientist WHERE "nationality" = 'united kingdom' AND "type" = 'freighter' AND "displacement" = '5,145 t'

Question: what is the name when the displacement is 8,305 t?
SQL: SELECT "name" FROM scientist WHERE "displacement" = '8,305 t'

Question: what is the name when the type is freighter, nationality is united kingdom on 3 may 1940?
SQL: SELECT "name" FROM scientist WHERE "type" = 'freighter' AND "nationality" = 'united kingdom' AND "date" = '3 may 1940'

Question: what is the date for tirrana?
SQL: SELECT "date" FROM scientist WHERE "name" = 'tirrana'

Question: what is the name for the nationality total:?
SQL: SELECT "name" FROM scientist WHERE "nationality" = 'total:'