 Complete the following phrase:  His first race in Formula 1 was at the 1970 Spanish Grand Prix with a Lotus 49. Race organisers limited the race to 16 starters, resulting in Soler-Roig failing to qualify, despite lapping only a tenth of a second slower than Mario Andretti. However, on race morning there was a suggestion that the non-qualifiers might be allowed to start after all, so their cars were placed on the grid, only for the organisers to stick to their original decision, removing Soler-Roigs car from the grid as well as those of Jo Siffert and Andrea de Adamich. He subsequently participated at the 