CREATE TABLE table_66984 ("Ship" CLOB, "Pennant number" CLOB, "Laid down" CLOB, "Launched" CLOB, "Completed" CLOB)

Name the launched for 13 september 1934 completion
SELECT "Launched" FROM table_66984 WHERE "Completed" = '13 september 1934'
SELECT "Launched" FROM "table_66984" WHERE "Completed" = '13 september 1934'