Table:
text: Spearhead (TV series)
Series 3: Spearhead in Hong Kong
Series 3: Spearhead in Hong Kong
Episode_ Original_Air_Date_UK Episode_Title Director Writer Cast_
3-01 30 July 1981 Night Games Derek Martinus Nick McCarty Stafford Gordon , Roy Holder
3-02 6 August 1981 Have a Happy Day James Ormerod Nick McCarty Stafford Gordon, Roy Holder
3-03 13 August 1981 Another Happy Day James Ormerod Nick McCarty Stafford Gordon, Roy Holder
3-04 20 August 1981 The Macau Connection Derek Martinus Nick McCarty Stafford Gordon, Roy Holder
3-05 27 August 1981 Loyalties II Derek Martinus Nick McCarty Stafford Gordon, Roy Holder

Question: What is the title of the Hong Kong episode of series 3 of Spearhead (TV Series) that aired on August 13, 1981?