Database: academic
Question: return me the number of papers written by " H. V. Jagadish " in each year .
SQL:
SELECT COUNT ( DISTINCT t3.title )  ,  t3.year FROM writes AS t2 JOIN author AS t1 ON t2.aid  =  t1.aid JOIN publication AS t3 ON t2.pid  =  t3.pid WHERE t1.name  =  "H. V. Jagadish" GROUP BY t3.year;