Database: scholar
Question: how many citations does noah a smith have ?
SQL: select distinct count ( t4.citedpaperid ) from paper as t3 join cite as t4 on t3.paperid  =  t4.citedpaperid join writes as t2 on t2.paperid  =  t3.paperid join author as t1 on t2.authorid  =  t1.authorid where t1.authorname  =  "noah a smith";