CREATE TABLE table_203_404 (id NUMBER, "pennant\ number" CLOB, "name" CLOB, "builder" CLOB, "laid down" CLOB, "launched" CLOB, "completed" CLOB, "fate" CLOB)

what was the total number of destroyers completed in august 1939 ?
SELECT COUNT(*) FROM table_203_404 WHERE "completed" = 8 AND "completed" = 1939
SELECT COUNT(*) FROM "table_203_404" WHERE "completed" = 1939 AND "completed" = 8