Table:
text: Double Sculls Challenge Cup
Winners
Winners
Year_ Winners Club Time_ Runners_up
1964 G C Justicz N J Birkmyre Leander Club 7.32 ¾L H Frederiksen IJ Kruse
1965 M Studach M Bürgin Grasshopper Club, Zurich 7.1 1⅔ L M Haake J Bruckhandler
1966 M Haake J Bruckhandler TSC Berlin, Germany 7.20 3¾ L NP Cooper AV Cooke
1967 M Studach M Bürgin Grasshopper Club, Zurich 7.47 1¼ L K Schabitz J Bohmer
1968 PA Barry R Findlay Tideway Scullers NP Bank 9.18 2 L AJ Crowley NS Drake
1969 D Oswald M Bürgin Grasshopper RC, Zurich 7.35 3 L AJ Cowley NS Drake
1970 T McKibbon J Van Blom Long Beach RA, USA 7.43 3½ L PJ Webb AV Cooke

Question: Who won the Double Sculls Challenge Cup when NP Cooper Av Cooke finished second?