Irish International Grand Prix
Winners of the Irish International Grand Prix Races

Year
Circuit
Race
Driver
Constructor
1929
Phoenix Park
Saorstát Cup
Boris Ivanowski
Alfa Romeo 6C
1929
Phoenix Park
Éireann Cup
Boris Ivanowski
Alfa Romeo 6C
1929
Phoenix Park
Irish Grand Prix
Boris Ivanowski
Alfa Romeo 6C
1930
Phoenix Park
Saorstát Cup
Victor Gillow
Riley 9 Brooklands
1930
Phoenix Park
Éireann Cup
Rudolf Caracciola
Mercedes SSK
1930
Phoenix Park
Irish Grand Prix
Rudolf Caracciola
Mercedes SSK
1931
Phoenix Park
Saorstát Cup
Norman Black
MG Midget
1931
Phoenix Park
Éireann Cup
Henry Birkin
Alfa Romeo 8C
1931
Phoenix Park
Irish Grand Prix
Norman Black
MG Midget

Question: What races in the Irish International Grand Prix did Rudolf Caracciola win for Mercedes in 1930?
Answer: In 1930, Rudolf Caracciola claimed the Éireann Cup race and Irish Grand Prix for Mercedes.