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 Parts (part_id VARCHAR, chargeable_amount VARCHAR)

### Question ###
Which part has the least chargeable amount? List the part id and amount.

### Accurate SQL ###

SELECT part_id, chargeable_amount FROM Parts ORDER BY chargeable_amount LIMIT 1