CREATE TABLE physician (name VARCHAR, employeeid VARCHAR)
CREATE TABLE procedures (code VARCHAR, cost INT)
CREATE TABLE trained_in (physician VARCHAR, treatment VARCHAR)

Find the physicians who are trained in a procedure that costs more than 5000.
SELECT T1.name FROM physician AS T1 JOIN trained_in AS T2 ON T1.employeeid = T2.physician JOIN procedures AS T3 ON T3.code = T2.treatment WHERE T3.cost > 5000
SELECT "T1"."name" FROM "physician" AS "T1" JOIN "trained_in" AS "T2" ON "T1"."employeeid" = "T2"."physician" JOIN "procedures" AS "T3" ON "T2"."treatment" = "T3"."code" AND "T3"."cost" > 5000