 Complete the following phrase:  Boffa raced in Formula Junior in 1960, and the following year, he entered four non-championship Formula One races with a Cooper T45. In the poorly attended 1961 Vienna Grand Prix he qualified fourth and was classified fifth, albeit 14 laps down on the winner. At Syracuse he started 17th and finished ninth, seven laps down. However, in Naples he retired on lap five after an accident with Keith Greene, and later in the year he failed to qualify for the Modena Grand Prix where he was 3.5 seconds slower than pole-sitter Stirling Moss. The following week, he was on the entry list for the 