Qual é o primeiro eleito com o adversário sendo Ralph Regula (r) 75.0% J. Michael Finn (d) 25.0%
CREATE TABLE table_1341522_38 (first_elected VARCHAR, opponent VARCHAR)
SELECT first_elected FROM table_1341522_38 WHERE opponent = "Ralph Regula (R) 75.0% J. Michael Finn (D) 25.0%"