CREATE TABLE ship (Ship_ID INT, Name TEXT, Type TEXT, Nationality TEXT, Tonnage INT)
CREATE TABLE mission (Mission_ID INT, Ship_ID INT, Code TEXT, Launched_Year INT, Location TEXT, Speed_knots INT, Fate TEXT)

What is the total number of every ship type by categorizing by nationality?
SELECT Type, COUNT(Type) FROM ship GROUP BY Nationality, Type
SELECT "Type", COUNT("Type") FROM "ship" GROUP BY "Nationality", "Type"