Rider deaths in motorcycle racing

Columns: Year | Rider | Series
1939 | Norman Wainwright | North West 200 | 1949 | P. L. Phillips | North West 200 | 1951 | William Bennison | North West 200 | 1955 | Julian Crossley | Ulster Grand Prix | 1956 | Bill Aislabie | North West 200 | 1956 | Derek Ennett | Ulster Grand Prix | 1961 | Carl Todd | Killinchy 150

Example questions:
Who died most recently in the motorcycle race organised by the Coleraine and District Motor Club ? A | How many spectators attend the motorcycle race that claimed the life of an Australian rules footballer ? | When was the first death at the motorcycle race that was part of the MotoGP until 1971 ? | When was the race where the motorcycle rider who turned professional in 1973 died first held ? | When was the race first held that claim the life of the motorcycle rider born on 31 July 1920 ?

Answers:
Mervyn Robinson | 150,000 | 1955 | 1922 | 1964