CREATE TABLE table_4469 ("Pick #" FLOAT, "MLS Team" TEXT, "Player" TEXT, "Position" TEXT, "Affiliation" TEXT)

Tell me the affiliation for mls team of metrostars and pick number of 26
SELECT "Affiliation" FROM table_4469 WHERE "MLS Team" = 'metrostars' AND "Pick #" = '26'
SELECT "Affiliation" FROM "table_4469" WHERE "MLS Team" = 'metrostars' AND "Pick #" = '26'