CREATE TABLE table_75588 ("Name" TEXT, "Pennant number" TEXT, "Builder" TEXT, "Laid Down" TEXT, "Launched" TEXT, "Commissioned" TEXT, "Current status" TEXT)

what is the name of the builder who launched in danaide
SELECT "Launched" FROM table_75588 WHERE "Name" = 'danaide'
SELECT "Launched" FROM "table_75588" WHERE "Name" = 'danaide'