Question: Who directed the movie that won Best Asian Film at the 21st Hong Kong Film Awards?
Sentence (from "21st Hong Kong Film Awards"): Ceremony for the 21st Hong Kong Film Awards was held on 21 April 2002 in the Hong Kong Cultural Centre and hosted by Eric Tsang, Cecilia Yip, Jacqueline Pang and Cheung Tat-Ming.
Relevant evidence: No