Table schema:
CREATE TABLE table_name_8 (region VARCHAR, most_populous_city_town VARCHAR, irish_name VARCHAR)

Question: Most populous city/town of clonmel, and a Irish name of tiobraid árann (contae thiobraid árann) is which region?
SQL: SELECT region FROM table_name_8 WHERE most_populous_city_town = "clonmel" AND irish_name = "tiobraid árann (contae thiobraid árann)"