Question: can you list the engineer id, first name, and last name of the engineer who had the least number of visits?
SQL: SELECT T1.engineer_id ,  T1.first_name ,  T1.last_name ,count ( * ) FROM Maintenance_Engineers AS T1 JOIN Engineer_Visits AS T2 ON T1.engineer_id   =   T2.engineer_id GROUP BY T1.engineer_id ORDER BY count ( * )  limit 1