Task: Text to Code
Input (English): Step 1: For each row in Courses table, find the corresponding rows in Student_Course_Registrations table.
Step 2: find student_id of the results of step 1 whose course_name equals statistics or course_name equals statistics
Output (English): SELECT T2.student_id FROM Courses AS T1 JOIN Student_Course_Registrations AS T2 ON T1.course_id = T2.course_id WHERE T1.course_name = "statistics" OR T1.course_name = "statistics"