CREATE TABLE table_72442 ("Name" TEXT, "Pennant number" TEXT, "Builder" TEXT, "Laid Down" TEXT, "Launched" TEXT, "Commissioned" TEXT, "Current status" TEXT)

Which launch date involved the Driade?
SELECT "Launched" FROM table_72442 WHERE "Name" = 'Driade'
SELECT "Launched" FROM "table_72442" WHERE "Name" = 'Driade'