CREATE TABLE table_15688 ("Kanji" TEXT, "Name" TEXT, "Builder" TEXT, "Laid down" TEXT, "Launched" TEXT, "Completed" TEXT)

What is the launched date for the Harusame ship?
SELECT "Launched" FROM table_15688 WHERE "Name" = 'harusame'
SELECT "Launched" FROM "table_15688" WHERE "Name" = 'harusame'