an Entity references as follows:
The 1957 Pescara Grand Prix was a Formula One motor race, held on 18 August 1957, at the Pescara Circuit near Pescara in Italy. The race was the 7th round of the 1957 World Championship of Drivers. The 25.579 km (15.894 mi) circuit is the longest to ever hold a world championship race in Formula One. The race was the first and only Formula One World Championship race to take place at the track. It was also the first of two consecutive Italian races, which meant that it was the first time that the same country had held two Formula One World Championship races in the same season.