Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE student_course_registrations ( student_id VARCHAR, course_id VARCHAR, registration_date VARCHAR )
TABLE: CREATE TABLE courses ( course_id VARCHAR, course_name VARCHAR )

### Question ###
List the id of students who registered course statistics in the order of registration date.

### Accurate SQL ###

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" ORDER BY T2.registration_date