Table: 1930 giro d'italia
Question: How many stages were there in the 1930 Giro d'Italia where the race leader and the stage winner were the same person?
Step 1 (Operation, Indexing): winner
Step 2 (Operation, Indexing): race leader
Step 3 (Reasoning, Arithmetic): comparison, winner and race leader
Step 4 (Reasoning, Aggregating): COUNT, winner equals to race leader
Answer: 3