How many incumbents come from alvin bush's district?
CREATE TABLE table_1341930_38 (candidates VARCHAR, incumbent VARCHAR)
SELECT COUNT(candidates) FROM table_1341930_38 WHERE incumbent = "Alvin Bush"
### Context: CREATE TABLE table_1341930_38 (candidates VARCHAR, incumbent VARCHAR) ### Question: How many incumbents come from alvin bush's district? ### Answer: SELECT COUNT(candidates) FROM table_1341930_38 WHERE incumbent = "Alvin Bush"