คืนจำนวนการอ้างอิงของ ' Making data system usable ' ให้ฉันก่อนปี 2010 ไม่จำเป็นต้องใช้ตารางทั้งหมด
return me the number of citations of ' Making database systems usable ' before 2010 .It is not neccessary to use all the tables.
 domain:  did [ int]  name [ varchar] 
SELECT COUNT(DISTINCT (PUBLICATION_1.title)) FROM cite, publication AS PUBLICATION_0, publication AS PUBLICATION_1 WHERE PUBLICATION_0.pid = cite.cited AND PUBLICATION_0.title = 'Making database systems usable' AND PUBLICATION_1.pid = cite.citing AND PUBLICATION_1.year < 2010