Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_1342393_23 ( first_elected INTEGER, incumbent VARCHAR )

### Question ###
What is the least first elected for jeff busby?

### Accurate SQL ###

SELECT MIN(first_elected) FROM table_1342393_23 WHERE incumbent = "Jeff Busby"