Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE Detention (datetime_detention_start VARCHAR, teacher_id VARCHAR); CREATE TABLE Teachers (teacher_id VARCHAR, last_name VARCHAR)
### Question:
Find the start and end dates of detentions of teachers with last name "Schultz".
### Answer:
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"