Table: zakspeed
Question: Is there any difference in the points earned by Zakspeed cars in different years with different chassis types? Answer with only 'Yes' or 'No' that is most accurate and nothing else.
Step 1 (Operation, Indexing): year
Step 2 (Operation, Indexing): chassis
Step 3 (Operation, Grouping): points
Step 4 (Reasoning, Arithmetic): comparison, points
Answer: Yes