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 payment ( payment_date VARCHAR )

### Question ###
When did the first payment happen?

### Accurate SQL ###

SELECT payment_date FROM payment ORDER BY payment_date LIMIT 1