CREATE TABLE staff (staff_id VARCHAR2, staff_first_name VARCHAR2, staff_last_name VARCHAR2)
CREATE TABLE problems (reported_by_staff_id VARCHAR2)

What are the id of problems reported by the staff named Dameon Frami or Jolie Weber?
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"
SELECT "product_id" FROM "problems" "T1" JOIN "staff" "T2" ON "Dameon" = "T2"."staff_first_name" AND "Frami" = "T2"."staff_last_name" AND "T1"."reported_by_staff_id" = "T2"."staff_id" UNION SELECT "product_id" FROM "problems" "T1" JOIN "staff" "T2" ON "Jolie" = "T2"."staff_first_name" AND "T1"."reported_by_staff_id" = "T2"."staff_id" AND "T2"."staff_last_name" = "Weber"