Table:
text: Maserati A6GCM
Podium finishes
Podium finishes
Class_ Date_ Race Driver Position_ Team
Non-championship F1 6/1954 13th Gran Premio di Roma Harry Schell 2 Privateer
Non-championship F1 8/1954 23rd Circuito di Pescara Harry Schell 3 Privateer

Question: Which class has the date 8/1954 in the Maserati A6GCM?