CREATE TABLE table_27627 ("Letters" TEXT, "Organization" TEXT, "Nickname" TEXT, "Founding Date" TEXT, "Founding University" TEXT, "Type" TEXT)

what type of organization is sigma phi omega?
SELECT "Type" FROM table_27627 WHERE "Organization" = 'Sigma Phi Omega'
SELECT "Type" FROM "table_27627" WHERE "Organization" = 'Sigma Phi Omega'