Which physicians are trained in procedures that are more expensive 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
Hangi doktorlar 5000'den daha pahalı prosedürler konusunda eğitilir?