Database: imdb_minus_1_1
Question: find the number of actors from Iran who played in " Jim Jarmusch " movies
SQL: select count ( distinct t1.name ) from cast_actor as t1 join movie as t2 on t1.msid = t2.mid join directed_by as t3 on t2.mid = t3.msid join director as t4 on t3.did = t4.did where t1.nationality = 'iran' and t4.name = 'jim jarmusch' ;