 Complete the following phrase:  Amons close second place from a third-place start at the 1970 Belgian Grand Prix finally gave the March works team their first points finish. At that race, Amon set fastest lap at over 152 miles per hour, a lap record which still stands as of 2016, as it was the last race on the full-length Spa-Francorchamps circuit. However, after qualifying fourth for the next race, the Dutch Grand Prix, his cars clutch broke after just one lap. Amon duplicated his Belgian result at the 