CREATE TABLE table_37789 ("County" TEXT, "Irish name" TEXT, "County town" TEXT, "Most populous city/town" TEXT, "Province" TEXT, "Region" TEXT)

Province of leinster, and a County of fingal has which irish name?
SELECT "Irish name" FROM table_37789 WHERE "Province" = 'leinster' AND "County" = 'fingal'
SELECT "Irish name" FROM "table_37789" WHERE "County" = 'fingal' AND "Province" = 'leinster'