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
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1342249_5 (first_elected INTEGER) Question: What is the earliest years any of the incumbents were first elected?  [/INST] SELECT MIN(first_elected) FROM table_1342249_5 </s>