Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### 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"