Question: LIST THE DATES OF ENROLLMENT AND COMPLETION OF THE STUDENT WITH PERSONAL NAME "KARSON"?
SQL: SELECT T1.date_of_enrolment ,  T1.date_of_completion FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id   =   T2.student_id WHERE T2.personal_name   =   "Karson"