SELECT T1.problem_description FROM problems AS T1 JOIN staff AS T2 ON T1.reported_by_staff_id = T2.staff_id WHERE T2.staff_first_name = "Christop"
Which problems are reported by the staff with first name "Christop"? Show the descriptions of the problems.
SELECT T1.problem_description FROM problems AS T1 JOIN staff AS T2 ON T1.reported_by_staff_id = T2.staff_id WHERE T2.staff_first_name = `` Christop ''
select t1 . problem_description from problems as t1 join staff as t2 on t1 . reported_by_staff_id = t2 . staff_id where t2 . staff_first_name = value
Which problems are reported by the staff with first name `` Christop '' ? Show the descriptions of the problems .