Task: Text to Code
Input (English): SQL: SELECT T1.date_of_latest_logon FROM Students AS T1 JOIN Courses AS T2 JOIN Student_Course_Enrolment AS T3 ON T1.student_id = T3.student_id AND T3.course_id = T2.course_id WHERE T2.course_name = "Fail"
Feedback: student tests taken , date of completion and test result should be used instead courses table , date of latest logon and course name respectively .
Output (English): SELECT T1.date_of_completion FROM Student_Course_Enrolment AS T1 JOIN Student_Tests_Taken AS T2 ON T1.registration_id  =  T2.registration_id WHERE T2.test_result  =  "Fail"