CREATE TABLE table_28509 ("Institution" TEXT, "Nickname" TEXT, "Location" TEXT, "Founded" FLOAT, "Type" TEXT, "Enrollment" TEXT, "Current Conference" TEXT)

Name the founded for school closed in 2005
SELECT "Founded" FROM table_28509 WHERE "Current Conference" = 'school closed in 2005'
SELECT "Founded" FROM "table_28509" WHERE "Current Conference" = 'school closed in 2005'