SELECT T1.teacher_id, T2.last_name FROM Detention AS T1 JOIN Teachers AS T2 ON T1.teacher_id = T2.teacher_id WHERE T1.detention_type_code = "AFTER" GROUP BY T1.teacher_id ORDER BY COUNT(*) DESC LIMIT 1
Temukan ID dan nama belakang guru yang memiliki penahanan paling banyak dengan kode tipe penahanan "setelah"?
CREATE TABLE Detention (teacher_id VARCHAR, detention_type_code VARCHAR); CREATE TABLE Teachers (last_name VARCHAR, teacher_id VARCHAR)