สถาบันที่ "Matthias Blume" สังกัดอยู่ชื่ออะไร?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What is the name of the institution that "Matthias Blume" belongs to?It is not neccessary to use all the tables.
 authorship:  (authid [ VARCHAR ] instid [ VARCHAR) ]
SELECT DISTINCT t3.name FROM authors AS t1 JOIN authorship AS t2 ON t1.authid = t2.authid JOIN inst AS t3 ON t2.instid = t3.instid WHERE t1.fname = "Matthias" AND t1.lname = "Blume"