Question: Bill Tung was a Hong Kong actor who played in what crime-action film series directed by Jackie Chan, Stanley Tong, Benny Chan and Ding Sheng?
Sentence (from "Police Story (film series)"): The "Police Story" film series () comprises six Hong Kong crime-action films and one spinoff film, directed by Jackie Chan, Stanley Tong, Benny Chan and Ding Sheng, and were produced by Raymond Chow, Leonard Ho, Jackie Chan, Barbie Tung, Willie Chan, Solon So and Yang Du.
Relevant evidence: Yes