SELECT T1.datetime_detention_start ,  datetime_detention_end FROM Detention AS T1 JOIN Teachers AS T2 ON T1.teacher_id  =  T2.teacher_id WHERE T2.last_name  =  "Schultz"
Find the start and end dates of detentions of teachers with last name "Schultz".
SELECT T1.datetime_detention_start , datetime_detention_end FROM Detention AS T1 JOIN Teachers AS T2 ON T1.teacher_id = T2.teacher_id WHERE T2.last_name = `` Schultz ''
select t1 . datetime_detention_start , datetime_detention_end from detention as t1 join teachers as t2 on t1 . teacher_id = t2 . teacher_id where t2 . last_name = value
Find the start and end dates of detentions of teachers with last name `` Schultz '' .