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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1341930_38 (candidates VARCHAR, incumbent VARCHAR) Question: How many incumbents come from alvin bush's district? [/INST] SELECT COUNT(candidates) FROM table_1341930_38 WHERE incumbent = "Alvin Bush" </s>