Database: imdb
Question: How many actors from China have acted in " Rush Hour 3 "
SQL:
SELECT COUNT ( DISTINCT t1.name  ) FROM CAST AS t2 JOIN actor AS t1 ON t2.aid  =  t1.aid JOIN movie AS t3 ON t3.mid  =  t2.msid WHERE t1.nationality  =  "China" AND t3.title  =  "Rush Hour 3";