Table schema:
CREATE TABLE table_1341522_38 (first_elected VARCHAR, opponent VARCHAR)

Question: what's the first elected with opponent being ralph regula (r) 75.0% j. michael finn (d) 25.0%
SQL: SELECT first_elected FROM table_1341522_38 WHERE opponent = "Ralph Regula (R) 75.0% J. Michael Finn (D) 25.0%"