Table schema:
CREATE TABLE Student_Course_Enrolment (date_of_enrolment VARCHAR, date_of_completion VARCHAR, student_id VARCHAR); CREATE TABLE Students (student_id VARCHAR, personal_name VARCHAR)

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"