How many candidates were there in the district won by Joe Hoeffel?
CREATE TABLE table_1341423_38 (candidates VARCHAR, incumbent VARCHAR)
SELECT COUNT(candidates) FROM table_1341423_38 WHERE incumbent = "Joe Hoeffel"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1341423_38 (candidates VARCHAR, incumbent VARCHAR) Question: How many candidates were there in the district won by Joe Hoeffel? [/INST] SELECT COUNT(candidates) FROM table_1341423_38 WHERE incumbent = "Joe Hoeffel" </s>