แพทย์ที่สั่งยาธีซิซินชื่ออะไร ไม่จำเป็นต้องใช้ทุกตาราง
What is the names of the physicians who prescribe medication Thesisin?It is not neccessary to use all the tables.
 physician:  (name [ VARCHAR ] employeeid [ VARCHAR) ]
SELECT DISTINCT T1.name FROM physician AS T1 JOIN prescribes AS T2 ON T1.employeeid = T2.physician JOIN medication AS T3 ON T3.code = T2.medication WHERE T3.name = "Thesisin"