CREATE TABLE table_204_100 (id NUMBER, "date" CLOB, "name of ship" CLOB, "nationality" CLOB, "tonnage" NUMBER, "fate" CLOB)

how many ships were from the united kingdom that were attacked by hans rudolf rosing
SELECT COUNT("name of ship") FROM table_204_100 WHERE "nationality" = 'united kingdom'
SELECT COUNT("name of ship") FROM "table_204_100" WHERE "nationality" = 'united kingdom'