 Complete the following phrase:  In 1961, Scuderia Serenissima entered the Formula One World Championship. They first entered a Cooper T51 for Maurice Trintigt at the 1961 Monaco Grand Prix, where he finished seventh. In Belgium, Trintigt retired on lap 23 with a broken gearbox after having qualified his car in 19th place. At the 1961 French Grand Prix, Scuderia Serenissima entered two cars. Again the Cooper for Trintigt and a De Tomaso for Giorgio Scarlatti. Trintigt finished in 13th place while Scarlatti retired on lap 15 when his engine broke down. At the 