CREATE TABLE table_68772 ("Estimate" CLOB, "Name" CLOB, "Nat." CLOB, "Ship type" CLOB, "Where sunk" CLOB, "Date" CLOB)

What type of ship was the Shinano?
SELECT "Ship type" FROM table_68772 WHERE "Name" = 'shinano'
SELECT "Ship type" FROM "table_68772" WHERE "Name" = 'shinano'