Database: imdb
Question: which movie has the most number of actors from China ?
SQL:
SELECT t2.title FROM CAST AS t3 JOIN actor AS t1 ON t3.aid  =  t1.aid JOIN movie AS t2 ON t2.mid  =  t3.msid WHERE t1.nationality  =  "China" GROUP BY t2.title ORDER BY COUNT ( DISTINCT t1.name  ) DESC LIMIT 1;