List of Grand Prix motorcycle races

Columns: Raceqta | Years held | No . of races
Brazilian Grand Prix | 1987-1989 , 1992 | 4 | British Grand Prix | 1977-2017 , 2019 | 42 | Canadian Grand Prix | 1967 | 1 | Catalan Grand Prix | 1996-2019 | 24 | Chinese Grand Prix | 2005-2008 | 4 | Czech Republic Grand Prix | 1965-1982 , 1987-1991 , 1993-2019 | 50 | Dutch TT | 1949-2019 | 71

Example questions:
What is the number of races at the Raceqta that is held to replace the South African Motorcycle Grand Prix ? | What is the number of races at the Raceqta where the Grand Prix Motorcycle event was held ten times at the Autódromo Oscar Alfredo Gálvez ? | What is the number of races at the Raceqta where Grand Prix Motorcycle races were traditionally held on the last Saturday of June ? | What were the years held of the Raceqta whose first edition was held to replace the Hungarian Motorcycle Grand Prix ?

Answers:
1 | 17 | 71 | 2010-2019