In what district was Tim Holden the incumbent? 
CREATE TABLE table_1341453_40 (district VARCHAR, incumbent VARCHAR)
SELECT district FROM table_1341453_40 WHERE incumbent = "Tim Holden"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1341453_40 (district VARCHAR, incumbent VARCHAR) Question: In what district was Tim Holden the incumbent?  [/INST] SELECT district FROM table_1341453_40 WHERE incumbent = "Tim Holden" </s>