CREATE TABLE table_37790 ("County" CLOB, "Irish name" CLOB, "County town" CLOB, "Most populous city/town" CLOB, "Province" CLOB, "Region" CLOB)

Irish name of an d n (contae an d in) has what county town?
SELECT "County town" FROM table_37790 WHERE "Irish name" = 'an dún (contae an dúin)'
SELECT "County town" FROM "table_37790" WHERE "Irish name" = 'an dún (contae an dúin)'