SELECT T1.part_id ,  T1.part_name FROM Parts AS T1 JOIN Part_Faults AS T2 ON T1.part_id  =  T2.part_id JOIN Skills_Required_To_Fix AS T3 ON T2.part_fault_id  =  T3.part_fault_id GROUP BY T1.part_id ORDER BY count(*) DESC LIMIT 1
Which part fault requires the most number of skills to fix? List part id and name.
SELECT T1.part_id , T1.part_name FROM Parts AS T1 JOIN Part_Faults AS T2 ON T1.part_id = T2.part_id JOIN Skills_Required_To_Fix AS T3 ON T2.part_fault_id = T3.part_fault_id GROUP BY T1.part_id ORDER BY count ( * ) DESC LIMIT 1
select t1 . part_id , t1 . part_name from parts as t1 join part_faults as t2 on t1 . part_id = t2 . part_id join skills_required_to_fix as t3 on t2 . part_fault_id = t3 . part_fault_id group by t1 . part_id order by count ( * ) desc limit value
Which part fault requires the most number of skills to fix ? List part id and name .