Question: The 1951 Belgian Grand Prix was a Formula One motor race held on 17 June 1951 at Circuit de Spa-Francorchamps ,it's the highest class of single-seat auto racing, that is sanctioned by which organization with the acronym of FIA?
Sentence (from "1951 Belgian Grand Prix"): The 1951 Belgian Grand Prix was a Formula One motor race held on 17 June 1951 at Circuit de Spa-Francorchamps.
Relevant evidence: Yes