<prompt> Ramba uchinyora ndima iyi - Mutyairi wekutanga weThai Formula One aive Prince Bira uyo akapinda mumakwikwi e19 World Championship pakati pa1919 na1929. Akawana mapoinzi masere uye aive nenzvimbo yepamusoro yekupedzisa yechina nzvimbo iyo yaakawana kaviri: pa1950 Swiss Grand Prix uye 1954 French Grand Prix  <response>: . Nzvimbo yake yepamusoro yekupedzisa pakupera kwemwaka yaive yechisere mukati. 