CREATE TABLE Student_Course_Enrolment (date_of_enrolment VARCHAR(255), date_of_completion VARCHAR(255), student_id VARCHAR(255)); CREATE TABLE Students (student_id VARCHAR(255), personal_name VARCHAR(255))
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"