What is the date of enrollment of the course named "Spanish"?
SELECT T2.date_of_enrolment FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id  =  T2.course_id WHERE T1.course_name  =  "Spanish"
SELECT T2.date_of_enrolment FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id  =  T2.course_id WHERE T1.course_name  =  "Spanish"
[{'date_of_enrolment': '2017-12-07 02:21:13'}, {'date_of_enrolment': '2017-08-17 00:16:46'}]