Question: What is Country, when Class / Type is "Three masted full rigged ship"?
SQL: SELECT "Country" FROM "2-18279398-1" WHERE "Class / type" = 'Three masted full rigged ship';

Question: What is Builder, when Country is "United Kingdom", and when Location is "Chatham, Kent"?
SQL: SELECT "Builder" FROM "2-18279398-1" WHERE "Country" = 'United Kingdom' AND "Location" = 'Chatham, Kent';

Question: What is Builder, when Ship is "Arizona"?
SQL: SELECT "Builder" FROM "2-18279398-1" WHERE "Ship" = 'Arizona';

Question: What is Location, when Class / Type is "Sloop"?
SQL: SELECT "Location" FROM "2-18279398-1" WHERE "Class / type" = 'Sloop';

Question: What is Country, when Builder is "Sheerness Dockyard"?
SQL: SELECT "Country" FROM "2-18279398-1" WHERE "Builder" = 'Sheerness Dockyard';

Question: What is Builder, when Location is "Govan , Scotland"?
SQL: SELECT "Builder" FROM "2-18279398-1" WHERE "Location" = 'Govan , Scotland';