Table:
text: 1961 British Saloon Car Championship season
Calendar  &  Winners
Calendar  &  Winners
Round Circuit Date_ Class_A_Winner Class_B_Winner Class_C_Winner Class_D_Winner
1 Snetterton Motor Racing Circuit , Norfolk 25 March George `Doc` Shepherd Alan Hutcheson None (no entries?) Gawaine Baillie
2 Goodwood Circuit , West Sussex 3 April John Whitmore Bill Blydenstein Ellis Cuff-Miller Mike Parkes
3 Aintree Motor Racing Circuit , Liverpool 22 April John Whitmore Alan Hutcheson Chris Kerrison? Roy Salvadori
4 Silverstone Circuit , Northamptonshire 6 May Bill Aston Peter Harper Chris Kerrison? Graham Hill
5 Crystal Palace , London 22 May George `Doc` Shepherd Bill Blydenstein None (no entries) Roy Salvadori
6 Silverstone Circuit , Northamptonshire 8 July Herbert Linge Ellis Cuff-Miller Chris Kerrison Mike Parkes

text: 1961 British Saloon Car Championship season
Calendar  &  Winners
Calendar  &  Winners
Round Circuit Date_ Class_A_Winner Class_B_Winner Class_C_Winner Class_D_Winner
7 Brands Hatch , Kent 7 August Frank Hamlin Alan Hutcheson Chris Kerrison Mike Parkes
8 Oulton Park , Cheshire 23 September John Whitmore Peter Harper None (no entries?) Roy Salvadori

Question: In which round of the 1961 British Saloon Car Championship season did Roy Salvadori win Class D and Alan Hutcheson win Class B?

Question: When did Alan Hutcheson win class B in Round 1 of the 1961 British Saloon Car Championship?