What are the id of problems reported by the staff named Dameon Frami or Jolie Weber?
create table staff (staff_id varchar, staff_first_name varchar, staff_last_name varchar, PRIMARY KEY (staff_id)); create table problems (reported_by_staff_id varchar, PRIMARY KEY (reported_by_staff_id))
select product_id from problems as t1 join staff as t2 on t1.reported_by_staff_id = t2.staff_id where t2.staff_first_name = "dameon" and t2.staff_last_name = "frami" union select product_id from problems as t1 join staff as t2 on t1.reported_by_staff_id = t2.staff_id where t2.staff_first_name = "jolie" and t2.staff_last_name = "weber"