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 technician (Starting_Year VARCHAR, Age VARCHAR)

### Question ###
What is the starting year of the oldest technicians?

### Accurate SQL ###

SELECT Starting_Year FROM technician ORDER BY Age DESC LIMIT 1