What is the earliest years any of the incumbents were first elected? 
CREATE TABLE table_1342249_5 (first_elected INTEGER)
SELECT MIN(first_elected) FROM table_1342249_5
### Context: CREATE TABLE table_1342249_5 (first_elected INTEGER) ### Question: What is the earliest years any of the incumbents were first elected?  ### Answer: SELECT MIN(first_elected) FROM table_1342249_5