What is the number of graduates in "San Francisco State University" in year 2004?
SELECT sum(t1.graduate) FROM discipline_enrollments AS t1 JOIN campuses AS t2 ON t1.campus  =  t2.id WHERE t1.year  =  2004 AND t2.campus  =  "San Francisco State University"
number of graduates = SUM(graduate); in 'San Francisco State University' refers to t2.campus = 'San Francisco State University'; in year 2004 refers to t1.year = 2004;