CREATE TABLE table_31582 ("Name" TEXT, "Location" TEXT, "Launched" FLOAT, "Acquired" TEXT, "Capacity ,  mln tpa" TEXT)

Tell me the highest launced for trn
SELECT MAX("Launched") FROM table_31582 WHERE "Name" = 'trn'
SELECT MAX("Launched") FROM "table_31582" WHERE "Name" = 'trn'