Database: imdb
Question: find the number of actors from Iran who played in " Jim Jarmusch " movies
SQL:
SELECT COUNT ( DISTINCT t1.name  ) FROM CAST AS t4 JOIN actor AS t1 ON t4.aid  =  t1.aid JOIN movie AS t5 ON t5.mid  =  t4.msid JOIN directed_by AS t2 ON t5.mid  =  t2.msid JOIN director AS t3 ON t3.did  =  t2.did WHERE t1.nationality  =  "Iran" AND t3.name  =  "Jim Jarmusch";