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_name_14 ( commissioned VARCHAR, fate VARCHAR )

### Question ###
When was the ship that had a fate of 'converted to laker, 1961; still in service' commissioned?

### Accurate SQL ###

SELECT commissioned FROM table_name_14 WHERE fate = "converted to laker, 1961; still in service"