CREATE TABLE table_17556 ("Class" TEXT, "Ship Name" TEXT, "Origin" TEXT, "Hull Numbers" FLOAT, "Service years" TEXT, "Previously" TEXT, "Note" TEXT)

what is the maximum number of hull nunbers where ship name is kri yos sudarso?
SELECT MAX("Hull Numbers") FROM table_17556 WHERE "Ship Name" = 'KRI Yos Sudarso'
SELECT MAX("Hull Numbers") FROM "table_17556" WHERE "Ship Name" = 'KRI Yos Sudarso'