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_name VARCHAR, part_id VARCHAR )
TABLE: CREATE TABLE Part_Faults ( part_id VARCHAR )

### Question ###
Which kind of part has the least number of faults? List the part name.

### Accurate SQL ###

SELECT T1.part_name FROM Parts AS T1 JOIN Part_Faults AS T2 ON T1.part_id = T2.part_id GROUP BY T1.part_name ORDER BY COUNT(*) LIMIT 1