SELECT T1.date_incident_start ,  date_incident_end FROM Behavior_Incident AS T1 JOIN Students AS T2 ON T1.student_id  =  T2.student_id WHERE T2.last_name  =  "Fahey"
Find the start and end dates of behavior incidents of students with last name "Fahey".
SELECT T1.date_incident_start , date_incident_end FROM Behavior_Incident AS T1 JOIN Students AS T2 ON T1.student_id = T2.student_id WHERE T2.last_name = `` Fahey ''
select t1 . date_incident_start , date_incident_end from behavior_incident as t1 join students as t2 on t1 . student_id = t2 . student_id where t2 . last_name = value
Find the start and end dates of behavior incidents of students with last name `` Fahey '' .