query: SELECT count(course_id) FROM Student_Course_Enrolment
question: Finding that a number distinct course where is after enrolling alla student.
query_toks: SELECT count ( course_id ) FROM Student_Course_Enrolment
query_toks_no_value: select count ( course_id ) from student_course_enrolment
question_toks: Finding that a number distinct course where is after enrolling alla student.