"ลินดา สมิธ" อยู่ในไม้กอล์ฟกี่อัน?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many clubs does "Linda Smith" belong to?It is not neccessary to use all the tables.
 student:  (stuid [ VARCHAR ] fname [ VARCHAR ] lname [ VARCHAR) ]
SELECT COUNT(*) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t3.fname = "Linda" AND t3.lname = "Smith"