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 "Bill Tung"): Bill Tung Biu () (March 30, 1933 in Hong Kong — February 22, 2006) was a Hong Kong actor and horse racing commentator.
Relevant evidence: Yes