CREATE TABLE table_1341604_39 (candidates VARCHAR, incumbent VARCHAR)
SELECT candidates FROM table_1341604_39 WHERE incumbent = "Gus Yatron"
ผู้สมัครในเขตที่ดำรงตำแหน่งคือ Gus Yatron มีอะไรบ้าง
What are the candidates in the district whose incumbent is Gus Yatron?