CREATE TABLE table_23538 ("District" TEXT, "Representative" TEXT, "Party Change?" TEXT, "Prior background" TEXT, "Religion" TEXT, "Birth year" FLOAT)

Who has a religion of United Methodist and a prior background of a Congressional Aide?
SELECT "Representative" FROM table_23538 WHERE "Religion" = 'United Methodist' AND "Prior background" = 'Congressional aide'
SELECT "Representative" FROM "table_23538" WHERE "Prior background" = 'Congressional aide' AND "Religion" = 'United Methodist'