Samia razaq มีกระดาษกี่ใบ ?ไม่จำเป็นต้องใช้ตารางทั้งหมด
How many paper does samia razaq have ?It is not neccessary to use all the tables.
 keyphrase:  keyphraseid [ int]  keyphrasename [ varchar] 
SELECT DISTINCT COUNT(DISTINCT writes.paperid) FROM author, writes WHERE author.authorname = 'samia razaq' AND writes.authorid = author.authorid