Table: piercarlo ghinzani
Question: Is there any difference in the number of points earned by Piercarlo Ghinzani when driving a car with an Alfa Romeo engine compared to a Ford Cosworth engine? Answer with only 'Yes' or 'No' that is most accurate and nothing else.
Step 1 (Operation, Indexing): pts
Step 2 (Operation, Grouping): engine type
Step 3 (Reasoning, Aggregating): AVG, points of each engine
Step 4 (Reasoning, Arithmetic): comparison, average points
Answer: Yes