CREATE TABLE table_28511 ("Institution" TEXT, "Location" TEXT, "Founded" FLOAT, "Type" TEXT, "Enrollment" FLOAT, "Nickname" TEXT, "Joined" TEXT)

what type of institution is ottawa university?
SELECT "Type" FROM table_28511 WHERE "Institution" = 'Ottawa University'
SELECT "Type" FROM "table_28511" WHERE "Institution" = 'Ottawa University'