Question: who is the the incumbent with candidates being john m. vorys (r) 61.5% jacob f. myers (d) 38.5%
Schema: create table table_1342013_34 (incumbent varchar, candidates varchar, PRIMARY KEY (incumbent))
SQL: select incumbent from table_1342013_34 where candidates = "john m. vorys (r) 61.5% jacob f. myers (d) 38.5%"