Incumbent Tim Holden belonged to what party? 
CREATE TABLE table_1341453_40 (party VARCHAR, incumbent VARCHAR)
SELECT party FROM table_1341453_40 WHERE incumbent = "Tim Holden"
### Context: CREATE TABLE table_1341453_40 (party VARCHAR, incumbent VARCHAR) ### Question: Incumbent Tim Holden belonged to what party?  ### Answer: SELECT party FROM table_1341453_40 WHERE incumbent = "Tim Holden"