CREATE TABLE table_58387 ("Ship" TEXT, "Pennant number" TEXT, "Laid down" TEXT, "Launched" TEXT, "Completed" TEXT)

What is the launched date of the destroyer completed 1 July 1936?
SELECT "Launched" FROM table_58387 WHERE "Completed" = '1 july 1936'
SELECT "Launched" FROM "table_58387" WHERE "Completed" = '1 july 1936'