CREATE TABLE table_204_540 (id DECIMAL, "name" TEXT, "town" TEXT, "deanery" TEXT, "vicariate" TEXT, "founded" DECIMAL, "original ethnic community" TEXT)

name the only multi ethnic parish .
SELECT "name" FROM table_204_540 WHERE "original ethnic community" = 'multi-ethnic'
SELECT "name" FROM "table_204_540" WHERE "original ethnic community" = 'multi-ethnic'