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

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